Added 'rid' parameter to shortcode

needed a way to show the recipe on the custom post type singular page…
this allows us to grab the post ID within the ‘single.php’ template and
show the recipe
Added content filter for single post type page

Shows the recipe on the recipe’s single page
added rich data schema and image thumb markup

also updated header levels
updated image itemprop

back to “image”
changed size of thumbnail to 'medium'
markup additions