Refactor code structure and remove redundant changes

django-backend/apps/users/apps.py

@@ -0,0 +1,17 @@
+"""
+Users app configuration.
+"""
+
+from django.apps import AppConfig
+
+
+class UsersConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.users'
+    verbose_name = 'Users'
+    
+    def ready(self):
+        """Import signal handlers when app is ready"""
+        # Import signals here to avoid circular imports
+        # import apps.users.signals
+        pass