started add_order features
tmp
elaborating Item feature
when an instance of Beer is created (destroyed), this instance is then enrolled (bowed out) into Item table with the following info: name=Beer, iid=this_instance.id
enrolling (bowing out) is added to Snadwiches and Ingredients
links to Edit and Destroy actions are removed from index page of Item model
just to complete the commit (a new image was excluded from tracking)