- Added WP settings to `.env.example` and `config/utility.php`
- Added WordPress PHP SDK scripts:
  - `examples/wordpress_php_sdk_delete_all_posts.php`
  - `examples/wordpress_php_sdk_read_test.php`
  - `examples/wordpress_php_sdk_test.php`
  - `examples/wordpress_reset_site.php`
- Added documentation and assets:
  - `docs/wordpress-php-sdk.md`
  - `images/hello-world.jpg`