fix(tutorial): fix typo in tutorial link

Author: sandeshit

main/config.py

@@ -79,7 +79,7 @@ def project_url(project_id: int):
 
         @staticmethod
         def tutorial_url(tutorial_id: int):
-            return f"{Config.MANAGER_DASHBOARD_DOMAIN.geturl()}/tutorials/{tutorial_id}/edit"
+            return f"{Config.MANAGER_DASHBOARD_DOMAIN.geturl()}/tutorial/{tutorial_id}/edit"
 
     class FirebaseKeys:
         @staticmethod