Ajout des notification + page employé (#6)

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
|                  |                 |

## Description de la PR

## Modification du .env

## Check list

- [ ] Pas de régression
- [ ] TU/TI/TF rédigée
- [ ] TU/TI/TF OK
- [ ] CHANGELOG modifié

Reviewed-on: #6
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

src/State/UnreadNotificationsProvider.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\State;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProviderInterface;
+use App\Entity\User;
+use App\Repository\NotificationRepository;
+use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+
+final readonly class UnreadNotificationsProvider implements ProviderInterface
+{
+    public function __construct(
+        private Security $security,
+        private NotificationRepository $notificationRepository,
+    ) {}
+
+    public function provide(Operation $operation, array $uriVariables = [], array $context = []): array
+    {
+        $user = $this->security->getUser();
+        if (!$user instanceof User) {
+            throw new AccessDeniedHttpException('Authentication required.');
+        }
+
+        return $this->notificationRepository->findUnreadByRecipient($user);
+    }
+}