[#331] Mettre à jour l'entité Shipment et bovin_shipment (!30)

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
|      #331           |        Mettre à jour l'entité Shipment et bovin_shipment         |

## Description de la PR

## Modification du .env

## Check list

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

Reviewed-on: #30
Reviewed-by: Autin <tristan@yuno.malio.fr>
Co-authored-by: kevin <kevin@yuno.malio.fr>
Co-committed-by: kevin <kevin@yuno.malio.fr>

src/Entity/ShipmentType.php

@@ -7,6 +7,8 @@ namespace App\Entity;
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\Get;
 use ApiPlatform\Metadata\GetCollection;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Serializer\Attribute\Groups;
 
@@ -40,6 +42,14 @@ class ShipmentType
     #[Groups(['shipment-type:read', 'shipment:read'])]
     private ?string $code = null;
 
+    #[ORM\OneToMany(mappedBy: 'shipmentType', targetEntity: Shipment::class)]
+    private Collection $shipments;
+
+    public function __construct()
+    {
+        $this->shipments = new ArrayCollection();
+    }
+
     public function getId(): ?int
     {
         return $this->id;