feat: Add Extraction model and seed main playlist functionality

app/core/database.py

@@ -8,12 +8,12 @@ from app.core.config import settings
 from app.core.logging import get_logger
 from app.core.seeds import seed_all_data
 from app.models import (  # noqa: F401
+    extraction,
     plan,
     playlist,
     playlist_sound,
     sound,
     sound_played,
-    stream,
     user,
     user_oauth,
 )