Add unread indication to subscription cards

backend/get_notifications.py

@@ -18,6 +18,7 @@ def fetch_ntfy_notifications(base_url, subscriptions):
 
     notifications = []
     for subscription in subscriptions:
+        print(f"Fetching notifications for {subscription.topic}")
         topic = subscription.topic
         last_message_id = subscription.last_message_id
         since_param = "all" if last_message_id is None else last_message_id