app\themes\SettingsTheme::loadFrontend PHP Метод

    private function loadFrontend()
    {
        /** @var \Xpressengine\Presenter\Html\FrontendHandler $frontendHandler */
        $frontendHandler = app('xe.frontend');
        $frontendHandler->meta()->name('viewport')->content('width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no')->load();
        $frontendHandler->css(['assets/vendor/bootstrap/css/bootstrap.css', 'assets/core/xe-ui-component/xe-ui-component.css', 'assets/core/settings/css/admin.css'])->load();
        $frontendHandler->js(['assets/core/settings/js/admin.bundle.js'])->appendTo('head')->load();
    }