Added:

- activity on menu
- starting activity page

src/Service/NotificationService.php

@@ -12,9 +12,9 @@ class NotificationService
 
     }
 
-    public function sendUpdate(string $topic, mixed $data): void
+    public function sendUpdate(mixed $data): void
     {
-        $update = new Update($topic, json_encode($data));
+        $update = new Update('notification', json_encode($data));
         $this->hub->publish($update);
     }
 }