Plex API returns Directory entries without type field, causing
TypeError crash in fromJson. Made fields nullable and migrated
callers to use mediaType enum and displayTitle getter instead
of raw string access.
Adds support for viewing and playing trailers and bonus content from Plex.
- Add getExtras() API method to fetch extras from Plex
- Add trailer/extras metadata fields (subtype, extraType, primaryExtraKey)
- Add play trailer button with film reel icon on media detail screen
- Add "Trailers & Extras" section below cast with horizontal scroll
- Support offline mode via cache fallback
- Preserve serverId/serverName for multi-server setups
Fixes#7
- Changed rating field type from int to double in PlexMetadata model
- Removed incorrect division by 10 in discover screen rating display
- Regenerated JSON serialization to properly parse rating as double
- Rating now displays correctly (e.g., 7.0 instead of 0.7)
edde746