0.15.0: Unclutter Animation & Stability Improvements

This release improves the article uncluttering algorithm, to make it work more consistently and to show the page changes it's performing. Hopefully, this makes activating the extension a nicer experience:

There's not much more to say this week! If you're curious, the orchestration of the animated page changes happens in transitions.ts, which took quite a bit of work to get right.

If you find bugs on certain article pages, please report them here!