Docs/variables data (#1314)

* Replace variables.json with colors.json and update related files accordingly

* Add variables data files

* Update variables include template and all related files to use new variables data

* Fix mobile breakpoint id typo in responsivness docs page

* Fix Liquid syntax error in made-with-bulma docs page

* Update bulma sass files count in modular docs page

* Use breakpoints data in responsiveness helpers docs page

* Use breakpoints and variables data in typography helpers docs page

* Add missing page titles in docs pages front matter

docs/documentation/components/menu.html

@@ -1,24 +1,8 @@
 ---
+title: Menu
 layout: documentation
 doc-tab: components
 doc-subtab: menu
-variables:
-- name: $menu-item-color
-  value: $text
-- name: $menu-item-radius
-  value: $radius-small
-- name: $menu-item-hover-color
-  value: $text-strong
-- name: $menu-item-hover-background-color
-  value: $background
-- name: $menu-item-active-color
-  value: $link-invert
-- name: $menu-item-active-background-color
-  value: $link
-- name: $menu-list-border-left
-  value: 1px solid $border
-- name: $menu-label-color
-  value: $text-light
 ---
 
 {% capture menu_example %}
@@ -75,7 +59,7 @@ variables:
 
     {% include snippet.html content=menu_example size="one-third" %}
 
-    {% include variables.html %}
+    {% include variables.html type='component' %}
 
   </div>
 </section>