first commit

app/notifications/repository.py

@@ -0,0 +1,7 @@
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.notifications.models import NotificationLog
+
+
+async def create_notification_log(db: AsyncSession, *, user_id: int, event_type: str, payload: str) -> None:
+    db.add(NotificationLog(user_id=user_id, event_type=event_type, payload=payload))