feat: Implement cuser management with role updates, activation, and deactivation.

Backend/src/controllers/UserController.ts

@@ -13,7 +13,7 @@ import { profileUpdateSchema, changePasswordSchema } from "../validators/user.va
 import { ValidationError } from '../middleware/errorHandler';
 
 @Route('api/user')
-@Tags('Usermanagement')
+@Tags('User')
 export class UserController {
     private userService = new UserService();