fix/footer-links (#2146)

* fix(MdRadio): internal radio not being checked (#2063)

* fix(MdMenu): unexpected close on item click (#2062)

* docs: add funding

* test: add a "testURL" field to jest config (#2082)

fixes the " SecurityError: localStorage is not available for opaque
origins"  error message that everyone seems to get on their PRs.

Using the solution provided here jestjs/jest#3630

* Docs/restyle (#2139)

* Changed 'roboto mono' to 'roboto'

* Changed code fund position to bottom right

* updates

Added ‘supported by Creative Tim’ in About page
Added open collective

* added links to header

* Removed disclaimer, added sponsors, changed footer

* Add premium-themes page and link to it from the footer

* Added products to premium themes page

* Finished premium page

* Finished installation/usage/premium-themes section

* Installed vue-github-buttons

* Added GitHub star button

* Added license, download and chat buttons

* Changed order in gh star button

* Changed page transition

* Added vue-toc

* Style modified for toc

* Added ids on getting started for vue-toc

* Added ids on themes-congifuration for vue-toc

* Added ids on layouts for vue-toc

* Added ids on typography

* Added ids on components->app for vue-toc

* Added ids on buttomBar for vue-toc

* Added ids on Button for vue-toc

* Added ids on Card for vue-toc

* Added ids on datepicker for vue-toc

* Added ids on Dialog for vue-toc

* Added ids on Drawer for vue-toc

* Added ids on autocomplete for vue-toc

* Added ids on Chips for vue-toc

* Added ids on Input for vue-toc

* Added ids on Icon for vue-toc

* Added ids on List for vue-toc

* Added ids on Menu for vue-toc

* Added ids on speedDial for vue-toc

* Added ids on steppers for vue-toc

* Added ids on table for vue-toc

* Added ids on Tabs for vue-toc

* Added ids on toolbar for vue-toc

* Added ids on Tooltip for vue-toc

* Updated license

* Added key to vue-toc

* Small change

* Changed codeinwp logo

* updates

* Css changes for logo and gh-button

* Added more space between buttons

* Removed arrow down & nabber buttons hidden on mobile

* style changes, added premium themes in navbar, centered premium themes

* Cards change

* toc style

* Changed style for code-fund

* restyle codefund

* Restyled home premium section

* Commented contribuitors section

* Changed Patreon text to Open Collective

* Changed home premium background color

* Removed open collective

* Added link to premium-themes from themes image

* Added target blank

* Restyled vue-toc

* added refs

* Responsive changes

* Changed margin on title

* Added custom development link

* Added links from sponsors

* lint fix

* add margin left

* Updated footer links (#2145)

docs/app/template/MainFooter.vue

@@ -19,11 +19,11 @@
             <router-link to="/about">{{ $t('aboutMaterial') }}</router-link>
           </li>
           <li>
-            <router-link to="https://discordapp.com/invite/vuematerial">Discord</router-link>
+            <a href="https://discordapp.com/invite/vuematerial" target="_blank">Discord</a>
           </li>
 
           <li>
-            <router-link to="https://github.com/vuematerial/vue-material">GitHub</router-link>
+            <a href="https://github.com/vuematerial/vue-material" target="_blank">GitHub</a>
           </li>
 
           <!-- <li>