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/Tenant/Services/TenantService.php

@@ -225,7 +225,7 @@ class TenantService
             if ($attachment === null) {
                 throw ValidationException::withMessages([
                     "main_carousel_images.{$order}" => [
-                        'La imagen indicada no existe o no es un attachment de tipo imagen.',
+                        __('api.tenant.invalid_carousel_image'),
                     ],
                 ]);
             }