* update button api to accept icons
* use template outlet in button
* add link component
* create link component to handle anchors and buttons
* remove unnecessary let variables
* fix link focus state styling
* update link underline style
* fix broken skip link focus
* add focus method to link component
* fix typo
* fix off center loading state
* move flex styles to template to fix some minor style overrides
* remove unnecessary variables
* fix interaction states and add styles for test class to work properly
* refactor classes and make variable sreadonly
* fix classes not being applied correctly
* fix bad merge conflict resolution
* simplified button template
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