Setup cypress (#3436)

* Setup Cypress tests for box and button

* Add container tests

* Add Cypress workflow

* Use npm install

* Update Cypress workflow

* Add Jekyll build

* Test other action

* Test custom setup

* Use other ruby action

* Test without flag

* Move cypress to docs folder

* Record runs

* Add Content, Icon, Image specs

* Add Notification specs

* Add Progress and Table specs

* Add Tags specs

* Add Title specs

* Add breadcrumb specs

* Add more specs

* Add media specs

* Add menu specs

* Add modal specs

* Add navbar specs

* Add pagination specs

* Add panel specs

* Add tabs specs, Add form checkbox radio specs

* Add utils

* Add file specs

* Add input textarea specs

* Add select specs

* Add form tools specs

* Add other elements specs

* Add footer and hero specs

* Add Hero specs

* Add section specs

* Add grid specs

* Add column sizes specs

* Add tiles specs

* Add generic specs

* Fix generic tests

* Make font family test looser

* Remove system-ui test

* Remove important flag

* Fix disabled select color

.github/workflows/main.yml

@@ -0,0 +1,24 @@
+name: End-to-end tests
+on: [push]
+jobs:
+  cypress-run:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+      - name: Install dependencies
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gem install jekyll bundler
+      - name: Cypress run
+        uses: cypress-io/github-action@v2
+        with:
+          working-directory: docs
+          install-command: npm install
+          build: npm run bulma-sass
+          start: jekyll serve --host 127.0.0.1 --port 4000
+          wait-on: "http://127.0.0.1:4000"