Additional scripts and styles

All styles and scripts loaded in head controller. It use document class. If your extension need to load style/script use document class

To add stylesheet use
public function addStyle(array($href, $rel = 'stylesheet', $media = 'screen'))

To add script use
public function addScript($script)
For example you need to add css and js
// RDIR_TEMPLATE - points to template directory
$document = $registry->get(‘document’);

// in controller you can use this