public function render() : string
    {
        $html = '<div id="app">';
        $html .= '
            <transition name="fade" mode="out-in">
                <router-view></router-view>
            </transition>';
        $html .= '</div>';
        $title = env('APP_NAME');
        $html .= '<script src="/assets/application.js"></script>';
        $html .= $this->scripts();
        return '<body>' . $html . '</body>';
    }