Add shared synced lyrics, chapters and personal bookmarks with revision history, API tokens and an admin page

docker-compose.yml

@@ -9,6 +9,9 @@ services:
       PORT: "3000"
       DB_PATH: "/app/data/ytplayer.db"
       APP_VERSION: "1.0.0"
+      # Unlocks /admin (API tokens, lyric/chapter history + restore). Set it in
+      # Dokploy's Environment tab — never commit it. Unset = admin disabled.
+      ADMIN_PASSWORD: "${ADMIN_PASSWORD:-}"
       # Optional: override yt-dlp binary path if you mount a custom one
       # YTDLP_PATH: "/usr/local/bin/yt-dlp"
       # Server media cache (server/media-cache.js) — defaults shown.