M4-T01: add auth_login_throttle table + LoginThrottle model

alembic_app/env.py

@@ -7,6 +7,7 @@ from app.config import get_settings
 from app.db import Base
 from app.models.config import AppConfigEntry  # noqa: F401
 from app.models.auth import AuthSession, AuthUser  # noqa: F401
+from app.models.auth_throttle import LoginThrottle  # noqa: F401
 from app.models.public_ip import PublicIPHistory, PublicIPState  # noqa: F401
 from app.models.location import Location  # noqa: F401
 from app.models.poo import PooRecord  # noqa: F401