v0.1.0

Added

• Initial release of Jellyfin and Emby SSE plugins.
• Self-hosted Jellyfin manifest at manifest.json for the plugin catalog UI.
• Manual-install zip for Emby (Emby has no user-pasteable catalog URL).
• Six event types: playing, progress, paused, stopped, session.start, session.end, plus ping keepalive every 30 seconds.
• Bounded per-subscriber channels (capacity 100); overflow drops silently.