public function theme()
{
$assets = $this->kirby->roots()->index() . DS . 'assets' . DS . 'patterns';
$theme = new Obj();
$theme->css = file_exists($assets . DS . 'index.css') ? 'assets/patterns/index.css' : $this->url() . '/assets/index.min.css';
$theme->js = file_exists($assets . DS . 'index.js') ? 'assets/patterns/index.js' : $this->url() . '/assets/index.min.js';
return $theme;
}