feat: torrent streaming with hls transcoding (#1)

* feat: add ffmpeg for hls streaming

* feat: torrent streaming with hls transcoding

- add nyaa.si torrent search client
- add streaming service using anacrolix/torrent
- add hls transcoding via ffmpeg for browser playback
- add watch page with episode selection
- add socks5 proxy support via TORRENT_PROXY env
- switch to modernc.org/sqlite (pure go, no cgo conflicts)
- update dockerfile with ffmpeg

cmd/server/main.go

@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"os"
 
-	_ "github.com/mattn/go-sqlite3"
+	_ "modernc.org/sqlite"
 
 	"mal/internal/database"
 	"mal/internal/features/auth"
@@ -21,7 +21,7 @@ func main() {
 		dbFile = "mal.db"
 	}
 
-	db, err := sql.Open("sqlite3", dbFile)
+	db, err := sql.Open("sqlite", dbFile)
 	if err != nil {
 		log.Fatalf("failed to open db: %v", err)
 	}