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/Repository/UserRepository.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Repository;
+
+use App\Entity\User;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+/**
+ * @extends ServiceEntityRepository<User>
+ */
+final class UserRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, User::class);
+    }
+
+    /**
+     * @return list<User>
+     */
+    public function findAllAdmins(): array
+    {
+        /** @var list<User> $users */
+        $users = $this->createQueryBuilder('u')
+            ->orderBy('u.id', 'ASC')
+            ->getQuery()
+            ->getResult()
+        ;
+
+        return array_values(array_filter(
+            $users,
+            static fn (User $user): bool => in_array('ROLE_ADMIN', $user->getRoles(), true)
+        ));
+    }
+}