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/Entity/WorkHour.php

@@ -14,6 +14,7 @@ use ApiPlatform\Metadata\GetCollection;
 use ApiPlatform\Metadata\Patch;
 use App\Repository\WorkHourRepository;
 use App\State\WorkHourSiteValidationProcessor;
+use DateTimeImmutable;
 use DateTimeInterface;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Serializer\Attribute\Groups;
@@ -106,6 +107,10 @@ class WorkHour
     #[Groups(['work_hour:read', 'work_hour:site_validate'])]
     private bool $isSiteValid = false;
 
+    #[ORM\Column(type: 'datetime_immutable', nullable: true)]
+    #[Groups(['work_hour:read'])]
+    private ?DateTimeImmutable $updatedAt = null;
+
     public function getId(): ?int
     {
         return $this->id;
@@ -274,4 +279,16 @@ class WorkHour
 
         return $this;
     }
+
+    public function getUpdatedAt(): ?DateTimeImmutable
+    {
+        return $this->updatedAt;
+    }
+
+    public function setUpdatedAt(?DateTimeImmutable $updatedAt): self
+    {
+        $this->updatedAt = $updatedAt;
+
+        return $this;
+    }
 }