feat: add holiday management endpoints and jalaali-js dependency

- Added a new endpoint to list holidays for a specific doctor.
- Added a new endpoint to delete a holiday, with access control for doctors and admins.
- Implemented a repository method to retrieve all holidays for a doctor.
- Added jalaali-js library to handle date conversions.

src/Appointment/Controller/AppointmentSettingsController.php

@@ -223,6 +223,36 @@ class AppointmentSettingsController extends BaseController
 
     // ── Holidays ──────────────────────────────────────────────────────────────
 
+    #[Route('/api/v1/appointment-settings/holidays/list/{doctorUuid}', methods: ['GET'])]
+    public function listHolidays(string $doctorUuid): JsonResponse
+    {
+        $doctor = $this->doctorRepo->findByUuid($doctorUuid);
+        if ($doctor === null) {
+            return $this->error(ErrorCodes::ERR_VALIDATION_002, 'دکتر یافت نشد', 404);
+        }
+
+        $items = array_map(fn(Holiday $h) => $h->toArray(), $this->holidayRepo->findAllByDoctor($doctor));
+
+        return $this->success(['data' => $items]);
+    }
+
+    #[Route('/api/v1/appointment-settings/holidays/{uuid}', methods: ['DELETE'])]
+    public function deleteHoliday(string $uuid, #[CurrentUser] User $user): JsonResponse
+    {
+        $holiday = $this->holidayRepo->findByUuid($uuid);
+        if ($holiday === null) {
+            return $this->error(ErrorCodes::ERR_VALIDATION_002, 'تعطیلات یافت نشد', 404);
+        }
+
+        if ($holiday->getDoctor()->getUser()->getId() !== $user->getId() && !$user->hasRole('ROLE_ADMIN')) {
+            return $this->error(ErrorCodes::ERR_AUTH_006, 'دسترسی ممنوع', 403);
+        }
+
+        $this->holidayRepo->remove($holiday);
+
+        return $this->success(['message' => 'تعطیلات حذف شد']);
+    }
+
     #[Route('/api/v1/appointment-settings/holidays', methods: ['POST'])]
     public function createHoliday(Request $request, #[CurrentUser] User $user): JsonResponse
     {