Adding 'react-native-url-polyfill' dependency.

This solves an issue with `isURL` where RN-URL is not behaving as expected.

Check WordPress/gutenberg#20172

package.json

@@ -171,6 +171,7 @@
     "react-native-modal": "^6.5.0",
     "react-native-safe-area": "^0.5.0",
     "react-native-svg": "git+https://github.com/wordpress-mobile/react-native-svg.git#a628e92990a2404e30a0086f168bd2b5b7b4ce96",
+    "react-native-url-polyfill": "^1.1.1",
     "react-native-video": "git+https://github.com/wordpress-mobile/react-native-video.git#c43bdf6b06d361da399b98b8d2e32b578fa188ac",
     "react-redux": "^5.0.7",
     "redux": "^3.7.2",

yarn.lock

@@ -4352,6 +4352,14 @@ buffer@^5.0.6, buffer@^5.1.0, buffer@^5.2.0, buffer@^5.2.1:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
+buffer@^5.4.3:
+  version "5.4.3"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.4.3.tgz#3fbc9c69eb713d323e3fc1a895eee0710c072115"
+  integrity sha512-zvj65TkFeIt3i6aj5bIvJDzjjQQGs4o/sNoezg1F1kYap9Nu2jcUdpwzRSJTHMMzG0H7bZkn4rNQpImhuxWX2A==
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 [email protected]:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/bufferpack/-/bufferpack-0.0.6.tgz#fb3d8738a0e1e4e03bcff99f9a75f9ec18a9d73e"
@@ -11522,6 +11530,14 @@ react-native-sass-transformer@^1.1.1:
     css-select "^2.0.2"
     css-tree "^1.0.0-alpha.37"
 
+react-native-url-polyfill@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/react-native-url-polyfill/-/react-native-url-polyfill-1.1.1.tgz#be1161d0c86cdd9c1e93bf67d4ea8110b70c1efd"
+  integrity sha512-Wimu3zNFv1ANs13muqGoqaoQ1ZbFJrrYx3ox9F2PlCxUb3rZCIHNyBVyHaOq65kWtAkqNizKHbENEt4ItOF4Cw==
+  dependencies:
+    buffer "^5.4.3"
+    whatwg-url-without-unicode "8.0.0-0"
+
 "react-native-video@git+https://github.com/wordpress-mobile/react-native-video.git#c43bdf6b06d361da399b98b8d2e32b578fa188ac":
   version "5.0.1"
   resolved "git+https://github.com/wordpress-mobile/react-native-video.git#c43bdf6b06d361da399b98b8d2e32b578fa188ac"
@@ -13896,6 +13912,11 @@ webidl-conversions@^4.0.2:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
   integrity sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==
 
+webidl-conversions@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-5.0.0.tgz#ae59c8a00b121543a2acc65c0434f57b0fc11aff"
+  integrity sha512-VlZwKPCkYKxQgeSbH5EyngOmRp7Ww7I9rQLERETtf5ofd9pGeswWiOtogpEO850jziPRarreGxn5QIiTqpb2wA==
+
 whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz#5abacf777c32166a51d085d6b4f3e7d27113ddb0"
@@ -13918,6 +13939,13 @@ whatwg-mimetype@^2.1.0, whatwg-mimetype@^2.2.0:
   resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz#3d4b1e0312d2079879f826aff18dbeeca5960fbf"
   integrity sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==
 
+[email protected]:
+  version "8.0.0-0"
+  resolved "https://registry.yarnpkg.com/whatwg-url-without-unicode/-/whatwg-url-without-unicode-8.0.0-0.tgz#b27e9a150eda3c99091fb90cf8f96b2602680902"
+  integrity sha512-UbuJxCSqGtz3pO8pS5vS5BeZibtR3+5LKFAeU+vNsEZjaWBecS9fppn1vCnlHmUY6Gf6u234WyqQi+JKnwSwzw==
+  dependencies:
+    webidl-conversions "^5.0.0"
+
 whatwg-url@^6.4.1:
   version "6.5.0"
   resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-6.5.0.tgz#f2df02bff176fd65070df74ad5ccbb5a199965a8"