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/Auth/Controllers/LogoutController.php

@@ -23,7 +23,8 @@ class LogoutController extends Controller
         }
 
         return response()->json([
-            'message' => 'Sesion cerrada correctamente.',
+            'code' => 'auth.logout_success',
+            'message' => __('api.auth.logout_success'),
         ]);
     }
 }