* catch health check cancellation
* local library scanner cleanup
* emby and jf library scanner cleanup
* rework emby movie library scanner
* refactor emby movie library scanner
* refactor jellyfin movie library scanner
* clear etag until after new media has been processed
* refactor plex movie library scanner
* update changelog
* add letter bar with no links
* use lucene for search, add paged search results
* add search index version
* index library_name; rebuild index when folder is missing
* maintain index as local movies change
* fix tests
* maintain index as local shows change
* maintain index as plex movies change
* maintain index as plex shows change
* code cleanup
* add duplicate filter to search
* add links to letter bar
* code cleanup
