configuration for staff firebase and auth login

apps/mobile/packages/features/staff/authentication/lib/src/data/repositories_impl/auth_repository_impl.dart

@@ -103,6 +103,9 @@ class AuthRepositoryImpl implements AuthRepositoryInterface {
       throw Exception('User email is missing in profile data.');
     }
 
+    //TO-DO: validate if user has staff account
+    //TO-DO: create(registration) user and staff account
+    //TO-DO: save user data locally
     return domain.User(
       id: user.id,
       email: email,