fix: clamp limit to 0 minimum to prevent negative limit values

app/routers_v2/notifications.py

@@ -35,7 +35,7 @@ async def get_notifs(
     limit: Optional[int] = 100,
 ):
     if limit is not None:
-        limit = min(limit, 500)
+        limit = max(0, min(limit, 500))
     all_notif = Notification.select().order_by(Notification.id)
 
     if all_notif.count() == 0: