Implement localization for API responses and error messages

- Added localization support for API responses in English and Spanish.
- Introduced a middleware to set the API locale based on the Accept-Language header.
- Updated various exception messages and validation responses to use localized strings.
- Created new language files for English and Spanish translations.
- Refactored existing code to replace hardcoded messages with localized strings.
- Added tests to verify localization functionality and response correctness.

app/Domains/Integration/Controllers/TelepagosWebhookController.php

@@ -6,28 +6,26 @@ use App\Domains\Integration\Requests\TelepagosWebhookRequest;
 use App\Domains\Integration\Services\TelepagosWebhookService;
 use App\Http\Controllers\Controller;
 use Illuminate\Http\JsonResponse;
-use Illuminate\Http\Request;
 
 class TelepagosWebhookController extends Controller
 {
     /**
      * Handle the incoming Telepagos webhook.
-     *
-     * @param TelepagosWebhookRequest $request
-     * @param string $tenantCodigo
-     * @param TelepagosWebhookService $service
-     * @return JsonResponse
      */
     public function handle(TelepagosWebhookRequest $request, string $tenantCodigo, TelepagosWebhookService $service): JsonResponse
     {
         try {
             $cashinId = $request->validated('id');
-            
+
             $service->handleWebhook($tenantCodigo, $cashinId);
-            
+
             return response()->json(['status' => 'success']);
         } catch (\Exception $e) {
-            return response()->json(['status' => 'error', 'message' => $e->getMessage()], 500);
+            return response()->json([
+                'status' => 'error',
+                'code' => 'integration.webhook_failed',
+                'message' => __('api.integration.webhook_failed'),
+            ], 500);
         }
     }
 }