ItemController first example

ItemController.php

<?php

class Mdg_Giftregistry_ItemController extends Mage_Core_Controller_Front_Action
{
    public function addAction()
    {
        return $this;
    }
    public function editAction()
    {
        return $this;
    }
    public function deleteAction()
    {
        return $this;
    }
}