[#SIRH-14] Ajouter un onglet Observation sur la fiche employé (#8)

| 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: #8
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

src/Repository/ObservationRepository.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Repository;
+
+use App\Entity\Observation;
+use DateTimeImmutable;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+/**
+ * @extends ServiceEntityRepository<Observation>
+ */
+final class ObservationRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, Observation::class);
+    }
+
+    /**
+     * @return Observation[]
+     */
+    public function findByMonth(DateTimeImmutable $from, DateTimeImmutable $to): array
+    {
+        return $this->createQueryBuilder('o')
+            ->andWhere('o.month >= :from')
+            ->andWhere('o.month <= :to')
+            ->setParameter('from', $from)
+            ->setParameter('to', $to)
+            ->innerJoin('o.employee', 'e')
+            ->addSelect('e')
+            ->getQuery()
+            ->getResult()
+        ;
+    }
+}