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/Service/Contracts/EmployeeContractPeriodBuilder.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Contracts;
+
+use App\Entity\Contract;
+use App\Entity\Employee;
+use App\Entity\EmployeeContractPeriod;
+use App\Enum\ContractNature;
+use DateTimeImmutable;
+
+final class EmployeeContractPeriodBuilder
+{
+    public function build(
+        Employee $employee,
+        Contract $contract,
+        DateTimeImmutable $startDate,
+        ?DateTimeImmutable $endDate,
+        ContractNature $nature,
+    ): EmployeeContractPeriod {
+        return new EmployeeContractPeriod()
+            ->setEmployee($employee)
+            ->setContract($contract)
+            ->setStartDate($startDate)
+            ->setEndDate($endDate)
+            ->setContractNature($nature)
+        ;
+    }
+}