Added
- Initial release of System - SEO Verification plugin
- Google, Yandex, Bing verification meta tags
- Google Tag Manager, Google Analytics (GA4/UA) loaders
- Yandex Metrica loader
- Noscript fallbacks for GTM and Yandex Metrica
- Multilingual configuration (en-GB, es-ES, et-EE, lt-LT, lv-LV, pt-BR, ru-RU, uk-UA)
- Server-side and client-side validation for IDs
- Layout-based rendering with duplicate guards
- README and LICENSE