show date and short description on generated news item pages

Author: gemmellr

src/_layouts/news.md

@@ -4,4 +4,8 @@ layout: default_md
 
 [News](/news) > [{{page.title}}]({{page.url}})
 
-{{content}}
+<span class="text-secondary"> {{ page.release_date | date_to_string: "ordinal", "US"}}</span>
+<br/>
+{{ page.shortDescription }}
+
+{{content}}