feat: add theme method to System class and create SystemThemesEnum#530

PeteBishwhip merged 1 commit intoNativePHP:mainNativePHP/laravel:mainfrom

WINBIGFOX:feature/add-native-theme-getter-setterWINBIGFOX/nativephp-laravel:feature/add-native-theme-getter-setterCopy head branch name to clipboard