Persist runtime config in app db and seed from env

alembic_app/env.py

@@ -5,6 +5,7 @@ from sqlalchemy import engine_from_config, pool
 
 from app.auth_db import AuthBase
 from app.config import get_settings
+from app.models.config import AppConfigEntry  # noqa: F401
 from app.models.auth import AuthSession, AuthUser  # noqa: F401
 
 config = context.config