Add new link utilities, icon link helper, and update colored link helpers (#37762)

* Add new link utilities, update colored link helpers

* Remove commented out code

* Fixes

* Remove examples changes

* Fixes and copy

* Fix icon-link instances on homepage

* Bump bundlewatch

* Fix node-sass issue for rgba() function bug

* More bundlewatch

* One more time after merge

* Add callout for a11y

* Hover and focus-visible

* Add a11y callouts

* Remove duplicate for now

* More code review feedback

site/data/sidebar.yml

@@ -105,6 +105,7 @@
     - title: Color & background
     - title: Colored links
     - title: Focus ring
+    - title: Icon link
     - title: Position
     - title: Ratio
     - title: Stacks
@@ -125,6 +126,7 @@
     - title: Flex
     - title: Float
     - title: Interactions
+    - title: Link
     - title: Object fit
     - title: Opacity
     - title: Overflow