* Activity Panel Outbound Link
* Address PR Feedback: Pass through additional props on ActivityOutboundLink, add comment for activity panel wrapping padding, fix README naming, and use $gap $gutter trick for outbound link padding.
* Activity Panel Updates: Unread bubble, animations, cleaned up styles and mobile handling.
* * Color and animation definition cleanup
* Fix animation for tab switch
* Clicking outside the panel will close it
* Hover bubble border
* Aria attributes/tablist
* Fix mobile styles
Justin Shreve