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

docs/cyp/elements/title.html

@@ -0,0 +1,24 @@
+---
+layout: cypress
+title: Elements/Title
+---
+
+<h1 id="title" class="title">
+  Title <strong>strong</strong>
+</h1>
+
+{% for i in (1..7) %}
+  <p id="title-{{ i }}" class="title is-{{ i }}">
+    Title <strong>size {{ i }}</strong>
+  </p>
+{% endfor %}
+
+<h1 id="subtitle" class="subtitle">
+  Subtitle <strong>strong</strong>
+</h1>
+
+{% for i in (1..7) %}
+  <p id="subtitle-{{ i }}" class="subtitle is-{{ i }}">
+    Subtitle <strong>size {{ i }}</strong>
+  </p>
+{% endfor %}