lock registration

src/Controller/RegistrationController.php

@@ -16,6 +16,8 @@ class RegistrationController extends AbstractController
     #[Route('/letmein/register', name: 'app_register')]
     public function register(Request $request, UserPasswordHasherInterface $userPasswordHasher, EntityManagerInterface $entityManager): Response
     {
+        $this->denyAccessUnlessGranted('ROLE_ADMIN');
+        
         $user = new User();
         $form = $this->createForm(RegistrationFormType::class, $user);
         $form->handleRequest($request);