Update README.md

README.md

@@ -33,6 +33,23 @@
 
 This is a release of the NRL NORM source code. 
 
+A Google Groups forum is available at 
+<iframe id="forum_embed"
+  src="javascript:void(0)"
+  scrolling="no"
+  frameborder="0"
+  width="900"
+  height="700">
+</iframe>
+<script type="text/javascript">
+  document.getElementById('forum_embed').src =
+     'https://groups.google.com/forum/embed/?place=forum/norm-dev'
+     + '&showsearch=true&showpopout=true&showtabs=false'
+     + '&parenturl=' + encodeURIComponent(window.location.href);
+</script>
+
+
+
 
 SOURCE CODE
 ===========