diff --git a/lessons/21-connect-frontend-to-backend-and-fix-cors-issues/frontend/yarn.lock b/lessons/21-connect-frontend-to-backend-and-fix-cors-issues/frontend/yarn.lock
index 30036a3..2747038 100644
--- a/lessons/21-connect-frontend-to-backend-and-fix-cors-issues/frontend/yarn.lock
+++ b/lessons/21-connect-frontend-to-backend-and-fix-cors-issues/frontend/yarn.lock
@@ -1891,11 +1891,6 @@ abab@^2.0.0:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/abab/-/abab-2.0.3.tgz#623e2075e02eb2d3f2475e49f99c91846467907a"
   integrity sha1-Yj4gdeAustPyR15J+ZyRhGRnkHo=
 
-abbrev@1:
-  version "1.1.1"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
-  integrity sha1-+PLIh60Qv2f2NPAFtph/7TF5qsg=
-
 accepts@~1.3.4, accepts@~1.3.5, accepts@~1.3.7:
   version "1.3.7"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
@@ -2064,19 +2059,11 @@ anymatch@~3.1.1:
     normalize-path "^3.0.0"
     picomatch "^2.0.4"
 
-aproba@^1.0.3, aproba@^1.1.1:
+aproba@^1.1.1:
   version "1.2.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
   integrity sha1-aALmJk79GMeQobDVF/DyYnvyyUo=
 
-are-we-there-yet@~1.1.2:
-  version "1.1.5"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz#4b35c2944f062a8bfcda66410760350fe9ddfc21"
-  integrity sha1-SzXClE8GKov82mZBB2A1D+nd/CE=
-  dependencies:
-    delegates "^1.0.0"
-    readable-stream "^2.0.6"
-
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@@ -3193,11 +3180,6 @@ console-browserify@^1.1.0:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/console-browserify/-/console-browserify-1.2.0.tgz#67063cef57ceb6cf4993a2ab3a55840ae8c49336"
   integrity sha1-ZwY871fOts9Jk6KrOlWECujEkzY=
 
-console-control-strings@^1.0.0, console-control-strings@~1.1.0:
-  version "1.1.0"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
-  integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
-
 constants-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
@@ -3643,7 +3625,7 @@ debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.0, debug@^2.6.9:
   dependencies:
     ms "2.0.0"
 
-debug@^3.0.0, debug@^3.1.1, debug@^3.2.5, debug@^3.2.6:
+debug@^3.0.0, debug@^3.1.1, debug@^3.2.5:
   version "3.2.6"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha1-6D0X3hbYp++3cX7b5fsQE17uYps=
@@ -3679,11 +3661,6 @@ deep-equal@^1.0.1:
     object-keys "^1.1.1"
     regexp.prototype.flags "^1.2.0"
 
-deep-extend@^0.6.0:
-  version "0.6.0"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
-  integrity sha1-xPp8lUBKF6nD6Mp+FTcxK3NjMKw=
-
 deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
@@ -3744,11 +3721,6 @@ delayed-stream@~1.0.0:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
   integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=
 
-delegates@^1.0.0:
-  version "1.0.0"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
-  integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
-
 depd@~1.1.2:
   version "1.1.2"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
@@ -3767,11 +3739,6 @@ destroy@~1.0.4:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
   integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
 
-detect-libc@^1.0.2:
-  version "1.0.3"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
-  integrity sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=
-
 detect-newline@^2.1.0:
   version "2.1.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/detect-newline/-/detect-newline-2.1.0.tgz#f41f1c10be4b00e87b5f13da680759f2c5bfd3e2"
@@ -4368,9 +4335,9 @@ events@^3.0.0:
   integrity sha1-hCea8bNMt1qoi/X/KR9tC9mzGlk=
 
 eventsource@^1.0.7:
-  version "1.0.7"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/eventsource/-/eventsource-1.0.7.tgz#8fbc72c93fcd34088090bc0a4e64f4b5cee6d8d0"
-  integrity sha1-j7xyyT/NNAiAkLwKTmT0tc7m2NA=
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-1.1.1.tgz#4544a35a57d7120fba4fa4c86cb4023b2c09df2f"
+  integrity sha512-qV5ZC0h7jYIAOhArFJgSfdyz6rALJyb270714o7ZtNnw2WSJ+eexhKtE0O8LYPRsHZHf2osHKZBxGPvm3kPkCA==
   dependencies:
     original "^1.0.0"
 
@@ -4834,13 +4801,6 @@ fs-extra@^8.1.0:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-minipass@^1.2.5:
-  version "1.2.7"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
-  integrity sha1-zP+FcIQef+QmVpPaiJNsVa7X98c=
-  dependencies:
-    minipass "^2.6.0"
-
 fs-minipass@^2.0.0:
   version "2.1.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/fs-minipass/-/fs-minipass-2.1.0.tgz#7f5036fdbf12c63c169190cbe4199c852271f9fb"
@@ -4891,20 +4851,6 @@ functional-red-black-tree@^1.0.1:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
   integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
 
-gauge@~2.7.3:
-  version "2.7.4"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
-  integrity sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=
-  dependencies:
-    aproba "^1.0.3"
-    console-control-strings "^1.0.0"
-    has-unicode "^2.0.0"
-    object-assign "^4.1.0"
-    signal-exit "^3.0.0"
-    string-width "^1.0.1"
-    strip-ansi "^3.0.1"
-    wide-align "^1.1.0"
-
 gensync@^1.0.0-beta.1:
   version "1.0.0-beta.1"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/gensync/-/gensync-1.0.0-beta.1.tgz#58f4361ff987e5ff6e1e7a210827aa371eaac269"
@@ -5091,11 +5037,6 @@ has-symbols@^1.0.0, has-symbols@^1.0.1:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
   integrity sha1-n1IUdYpEGWxAbZvXbOv4HsLdMeg=
 
-has-unicode@^2.0.0:
-  version "2.0.1"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
-  integrity sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=
-
 has-value@^0.3.1:
   version "0.3.1"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/has-value/-/has-value-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
@@ -5329,7 +5270,7 @@ https-browserify@^1.0.0:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
   integrity sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM=
 
-iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4:
+iconv-lite@0.4.24, iconv-lite@^0.4.24:
   version "0.4.24"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha1-ICK0sl+93CHS9SSXSkdKr+czkIs=
@@ -5360,13 +5301,6 @@ iferr@^0.1.5:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
   integrity sha1-xg7taebY/bazEEofy8ocGS3FtQE=
 
-ignore-walk@^3.0.1:
-  version "3.0.3"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/ignore-walk/-/ignore-walk-3.0.3.tgz#017e2447184bfeade7c238e4aefdd1e8f95b1e37"
-  integrity sha1-AX4kRxhL/q3nwjjkrv3R6PlbHjc=
-  dependencies:
-    minimatch "^3.0.4"
-
 ignore@^3.3.5:
   version "3.3.10"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/ignore/-/ignore-3.3.10.tgz#0a97fb876986e8081c631160f8f9f389157f0043"
@@ -5463,7 +5397,7 @@ inherits@2.0.3:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
-ini@^1.3.5, ini@~1.3.0:
+ini@^1.3.5:
   version "1.3.5"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
   integrity sha1-7uJfVtscnsYIXgwid4CD9Zar+Sc=
@@ -6965,14 +6899,6 @@ minipass-pipeline@^1.2.2:
   dependencies:
     minipass "^3.0.0"
 
-minipass@^2.6.0, minipass@^2.8.6, minipass@^2.9.0:
-  version "2.9.0"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
-  integrity sha1-5xN2Ln0+Mv7YAxFc+T4EvKn8yaY=
-  dependencies:
-    safe-buffer "^5.1.2"
-    yallist "^3.0.0"
-
 minipass@^3.0.0, minipass@^3.1.1:
   version "3.1.1"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/minipass/-/minipass-3.1.1.tgz#7607ce778472a185ad6d89082aa2070f79cedcd5"
@@ -6980,13 +6906,6 @@ minipass@^3.0.0, minipass@^3.1.1:
   dependencies:
     yallist "^4.0.0"
 
-minizlib@^1.2.1:
-  version "1.3.3"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
-  integrity sha1-IpDeloGKNMKVUcio0wEha9Zahh0=
-  dependencies:
-    minipass "^2.9.0"
-
 mississippi@^3.0.0:
   version "3.0.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/mississippi/-/mississippi-3.0.0.tgz#ea0a3291f97e0b5e8776b363d5f0a12d94c67022"
@@ -7019,7 +6938,7 @@ mixin-object@^2.0.1:
     for-in "^0.1.3"
     is-extendable "^0.1.1"
 
-mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@~0.5.1:
+mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@~0.5.1:
   version "0.5.5"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
   integrity sha1-2Rzv1i0UNsoPQWIOJRKI1CAJne8=
@@ -7098,15 +7017,6 @@ natural-compare@^1.4.0:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
   integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
 
-needle@^2.2.1:
-  version "2.4.1"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/needle/-/needle-2.4.1.tgz#14af48732463d7475696f937626b1b993247a56a"
-  integrity sha1-FK9IcyRj10dWlvk3YmsbmTJHpWo=
-  dependencies:
-    debug "^3.2.6"
-    iconv-lite "^0.4.4"
-    sax "^1.2.4"
-
 negotiator@0.6.2:
   version "0.6.2"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
@@ -7190,35 +7100,11 @@ node-notifier@^5.4.2:
     shellwords "^0.1.1"
     which "^1.3.0"
 
-node-pre-gyp@*:
-  version "0.14.0"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/node-pre-gyp/-/node-pre-gyp-0.14.0.tgz#9a0596533b877289bcad4e143982ca3d904ddc83"
-  integrity sha1-mgWWUzuHcom8rU4UOYLKPZBN3IM=
-  dependencies:
-    detect-libc "^1.0.2"
-    mkdirp "^0.5.1"
-    needle "^2.2.1"
-    nopt "^4.0.1"
-    npm-packlist "^1.1.6"
-    npmlog "^4.0.2"
-    rc "^1.2.7"
-    rimraf "^2.6.1"
-    semver "^5.3.0"
-    tar "^4.4.2"
-
 node-releases@^1.1.52, node-releases@^1.1.53:
   version "1.1.53"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/node-releases/-/node-releases-1.1.53.tgz#2d821bfa499ed7c5dffc5e2f28c88e78a08ee3f4"
   integrity sha1-LYIb+kme18Xf/F4vKMiOeKCO4/Q=
 
-nopt@^4.0.1:
-  version "4.0.3"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/nopt/-/nopt-4.0.3.tgz#a375cad9d02fd921278d954c2254d5aa57e15e48"
-  integrity sha1-o3XK2dAv2SEnjZVMIlTVqlfhXkg=
-  dependencies:
-    abbrev "1"
-    osenv "^0.1.4"
-
 normalize-package-data@^2.3.2:
   version "2.5.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
@@ -7261,27 +7147,6 @@ normalize-url@^3.0.0:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/normalize-url/-/normalize-url-3.3.0.tgz#b2e1c4dc4f7c6d57743df733a4f5978d18650559"
   integrity sha1-suHE3E98bVd0PfczpPWXjRhlBVk=
 
-npm-bundled@^1.0.1:
-  version "1.1.1"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/npm-bundled/-/npm-bundled-1.1.1.tgz#1edd570865a94cdb1bc8220775e29466c9fb234b"
-  integrity sha1-Ht1XCGWpTNsbyCIHdeKUZsn7I0s=
-  dependencies:
-    npm-normalize-package-bin "^1.0.1"
-
-npm-normalize-package-bin@^1.0.1:
-  version "1.0.1"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/npm-normalize-package-bin/-/npm-normalize-package-bin-1.0.1.tgz#6e79a41f23fd235c0623218228da7d9c23b8f6e2"
-  integrity sha1-bnmkHyP9I1wGIyGCKNp9nCO49uI=
-
-npm-packlist@^1.1.6:
-  version "1.4.8"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/npm-packlist/-/npm-packlist-1.4.8.tgz#56ee6cc135b9f98ad3d51c1c95da22bbb9b2ef3e"
-  integrity sha1-Vu5swTW5+YrT1Rwcldoiu7my7z4=
-  dependencies:
-    ignore-walk "^3.0.1"
-    npm-bundled "^1.0.1"
-    npm-normalize-package-bin "^1.0.1"
-
 npm-run-path@^2.0.0:
   version "2.0.2"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
@@ -7289,16 +7154,6 @@ npm-run-path@^2.0.0:
   dependencies:
     path-key "^2.0.0"
 
-npmlog@^4.0.2:
-  version "4.1.2"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
-  integrity sha1-CKfyqL9zRgR3mp76StXMcXq7lUs=
-  dependencies:
-    are-we-there-yet "~1.1.2"
-    console-control-strings "~1.1.0"
-    gauge "~2.7.3"
-    set-blocking "~2.0.0"
-
 nth-check@^1.0.2, nth-check@~1.0.1:
   version "1.0.2"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/nth-check/-/nth-check-1.0.2.tgz#b2bd295c37e3dd58a3bf0700376663ba4d9cf05c"
@@ -7498,8 +7353,8 @@ optionator@^0.8.1, optionator@^0.8.3:
 
 original@^1.0.0:
   version "1.0.2"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/original/-/original-1.0.2.tgz#e442a61cffe1c5fd20a65f3261c26663b303f25f"
-  integrity sha1-5EKmHP/hxf0gpl8yYcJmY7MD8l8=
+  resolved "https://registry.yarnpkg.com/original/-/original-1.0.2.tgz#e442a61cffe1c5fd20a65f3261c26663b303f25f"
+  integrity sha512-hyBVl6iqqUOJ8FqRe+l/gS8H+kKYjrEndd5Pm1MfBtsEKA038HkkdbAl/72EAXGyonD/PFsvmVG+EvcIpliMBg==
   dependencies:
     url-parse "^1.4.3"
 
@@ -7508,11 +7363,6 @@ os-browserify@^0.3.0:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/os-browserify/-/os-browserify-0.3.0.tgz#854373c7f5c2315914fc9bfc6bd8238fdda1ec27"
   integrity sha1-hUNzx/XCMVkU/Jv8a9gjj92h7Cc=
 
-os-homedir@^1.0.0:
-  version "1.0.2"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
-  integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
-
 os-locale@^3.0.0:
   version "3.1.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/os-locale/-/os-locale-3.1.0.tgz#a802a6ee17f24c10483ab9935719cef4ed16bf1a"
@@ -7522,19 +7372,11 @@ os-locale@^3.0.0:
     lcid "^2.0.0"
     mem "^4.0.0"
 
-os-tmpdir@^1.0.0, os-tmpdir@~1.0.2:
+os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
   integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
 
-osenv@^0.1.4:
-  version "0.1.5"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/osenv/-/osenv-0.1.5.tgz#85cdfafaeb28e8677f416e287592b5f3f49ea410"
-  integrity sha1-hc36+uso6Gd/QW4odZK18/SepBA=
-  dependencies:
-    os-homedir "^1.0.0"
-    os-tmpdir "^1.0.0"
-
 p-defer@^1.0.0:
   version "1.0.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/p-defer/-/p-defer-1.0.0.tgz#9f6eb182f6c9aa8cd743004a7d4f96b196b0fb0c"
@@ -8776,9 +8618,9 @@ querystring@0.2.0:
   integrity sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=
 
 querystringify@^2.1.1:
-  version "2.1.1"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/querystringify/-/querystringify-2.1.1.tgz#60e5a5fd64a7f8bfa4d2ab2ed6fdf4c85bad154e"
-  integrity sha1-YOWl/WSn+L+k0qsu1v30yFutFU4=
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
+  integrity sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==
 
 raf@^3.4.1:
   version "3.4.1"
@@ -8817,16 +8659,6 @@ raw-body@2.4.0:
     iconv-lite "0.4.24"
     unpipe "1.0.0"
 
-rc@^1.2.7:
-  version "1.2.8"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
-  integrity sha1-zZJL9SAKB1uDwYjNa54hG3/A0+0=
-  dependencies:
-    deep-extend "^0.6.0"
-    ini "~1.3.0"
-    minimist "^1.2.0"
-    strip-json-comments "~2.0.1"
-
 react-app-polyfill@^1.0.6:
   version "1.0.6"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/react-app-polyfill/-/react-app-polyfill-1.0.6.tgz#890f8d7f2842ce6073f030b117de9130a5f385f0"
@@ -9000,7 +8832,7 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.7"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
   integrity sha1-Hsoc9xGu+BTAT2IlKjamL2yyO1c=
@@ -9240,7 +9072,7 @@ require-main-filename@^2.0.0:
 
 requires-port@^1.0.0:
   version "1.0.0"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
   integrity sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=
 
 resolve-cwd@^2.0.0:
@@ -9348,7 +9180,7 @@ rimraf@2.6.3:
   dependencies:
     glob "^7.1.3"
 
-rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.3, rimraf@^2.7.1:
+rimraf@^2.5.4, rimraf@^2.6.3, rimraf@^2.7.1:
   version "2.7.1"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
   integrity sha1-NXl/E6f9rcVmFCwp1PB8ytSD4+w=
@@ -9489,7 +9321,7 @@ selfsigned@^1.10.7:
   dependencies:
     node-forge "0.9.0"
 
-"semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
+"semver@2 || 3 || 4 || 5", semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
   version "5.7.1"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha1-qVT5Ma66UI0we78Gnv8MAclhFvc=
@@ -9551,7 +9383,7 @@ serve-static@1.14.1:
     parseurl "~1.3.3"
     send "0.17.1"
 
-set-blocking@^2.0.0, set-blocking@~2.0.0:
+set-blocking@^2.0.0:
   version "2.0.0"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
   integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
@@ -9966,7 +9798,7 @@ string-width@^1.0.1:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-"string-width@^1.0.2 || 2", string-width@^2.0.0, string-width@^2.1.1:
+string-width@^2.0.0, string-width@^2.1.1:
   version "2.1.1"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   integrity sha1-q5Pyeo3BPSjKyBXEYhQ6bZASrp4=
@@ -10119,11 +9951,6 @@ strip-json-comments@^3.0.1:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/strip-json-comments/-/strip-json-comments-3.1.0.tgz#7638d31422129ecf4457440009fba03f9f9ac180"
   integrity sha1-djjTFCISns9EV0QACfugP5+awYA=
 
-strip-json-comments@~2.0.1:
-  version "2.0.1"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
-  integrity sha1-PFMZQukIwml8DsNEhYwobHygpgo=
-
 style-loader@0.23.1:
   version "0.23.1"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/style-loader/-/style-loader-0.23.1.tgz#cb9154606f3e771ab6c4ab637026a1049174d925"
@@ -10211,19 +10038,6 @@ tapable@^1.0.0, tapable@^1.1.3:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
   integrity sha1-ofzMBrWNth/XpF2i2kT186Pme6I=
 
-tar@^4.4.2:
-  version "4.4.13"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
-  integrity sha1-Q7NkvFKIjVVSmGN7ENYHkCVKtSU=
-  dependencies:
-    chownr "^1.1.1"
-    fs-minipass "^1.2.5"
-    minipass "^2.8.6"
-    minizlib "^1.2.1"
-    mkdirp "^0.5.0"
-    safe-buffer "^5.1.2"
-    yallist "^3.0.3"
-
 terser-webpack-plugin@2.3.5:
   version "2.3.5"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/terser-webpack-plugin/-/terser-webpack-plugin-2.3.5.tgz#5ad971acce5c517440ba873ea4f09687de2f4a81"
@@ -10578,9 +10392,9 @@ url-loader@2.3.0:
     schema-utils "^2.5.0"
 
 url-parse@^1.4.3:
-  version "1.4.7"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/url-parse/-/url-parse-1.4.7.tgz#a8a83535e8c00a316e403a5db4ac1b9b853ae278"
-  integrity sha1-qKg1NejACjFuQDpdtKwbm4U64ng=
+  version "1.5.10"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.5.10.tgz#9d3c2f736c1d75dd3bd2be507dcc111f1e2ea9c1"
+  integrity sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==
   dependencies:
     querystringify "^2.1.1"
     requires-port "^1.0.0"
@@ -10909,13 +10723,6 @@ which@^2.0.1:
   dependencies:
     isexe "^2.0.0"
 
-wide-align@^1.1.0:
-  version "1.1.3"
-  resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
-  integrity sha1-rgdOa9wMFKQx6ATmJFScYzsABFc=
-  dependencies:
-    string-width "^1.0.2 || 2"
-
 word-wrap@~1.2.3:
   version "1.2.3"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/word-wrap/-/word-wrap-1.2.3.tgz#610636f6b1f703891bd34771ccb17fb93b47079c"
@@ -11149,7 +10956,7 @@ xtend@^4.0.0, xtend@~4.0.1:
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
   integrity sha1-le+U+F7MgdAHwmThkKEg8KPIVms=
 
-yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
+yallist@^3.0.2:
   version "3.1.1"
   resolved "https://olx.jfrog.io/olx/api/npm/nc-olxeu-new-jobs-virtual/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
   integrity sha1-27fa+b/YusmrRev2ArjLrQ1dCP0=