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/GoogleTokenExchangeController.php

@@ -35,7 +35,8 @@ class GoogleTokenExchangeController extends Controller
         );
 
         $response = response()->json([
-            'message' => 'Sesion iniciada correctamente.',
+            'code' => 'auth.login_success',
+            'message' => __('api.auth.login_success'),
             'token' => $authentication['token'],
             'token_type' => 'Bearer',
             'user' => UserResource::make($authentication['user']),