* rework plex movie library scanner; add unavailable media item state
* plex television scanner improvements
* reset plex etags as needed
* update changelog
* support external subtitles in local movie libraries
* code cleanup
* simplify subtitle updating
* skip external subtitles from media servers
* fix plex subtitles
* flag local movies as file not found
* show warning icon on cards
* unflag movie that is found during scan
* skip missing files when building playouts
* add state to search index
* add file not found health check
* link to search from file not found health check
* support flagging other media kinds as file not found
* continue to schedule missing items
* support episode files not found
* wip trash page
* fix trash url
* trash page is functional
* update changelog
* fix changelog merge
* rework television media
* refactor poster saving
* television and movie views are working again
* remove dead code
* use paper styling for all cards
* add show poster, plot to seasons page
* remove missing shows; cleanup interfaces
* fix split show display (same show in different folders/sources)
* add placeholder "add to schedule" button
* no more duplicate television shows, even with the same show split across sources
* stop releasing CLI for now
* use season number as season placeholder
* add television shows to collections
* add television seasons to collections
* add television episodes to collections
* add movies to collections
* remove movies, shows, seasons, episodes from collections
* fix page width and menus
* fix buffer size defaults
* fix chronological episode ordering
* allow deleting media collections
* don't get stuck building a playout with an empty collection
* schedule editing and playouts work again
* minor cleanup
* remove dead code
* fix bugs with viewing movies as they are loading
* add scanner tests; support nested movie folders
* update collections docs
* rearrange order of schedule items
* add show and season to schedule
* delete schedules that use legacy collections, reset all posters
* move cleanup to new migration
* load fallback metadata when nfo fails; don't require metadata in ui
* update readme and screenshots
* first pass at refresh-all-metadata by source
* add version to startup logs
* lock media source during refresh
* fix local media source "name" in collection editor
* optimize scanning so playouts only rebuild when necessary
* support more poster file types
* more scanning improvements; check for missing posters during scans
* replace media items tables with card grids
* style cleanup
* add basic paging
* sort and page in the db
* optimize sql for movies
* support movie posters
* resize movie posters and store in cache with channel logos
* fix bug preventing folders with more than 50 chars as local media sources
* support tv posters
