Add link to chat room demo

website/index.html

@@ -170,5 +170,11 @@ make test
   or send an email to <a href="mailto:nodejs+subscribe@googlegroups.com">nodejs+subscribe@googlegroups.com</a>.
 </p>
 
+<p>
+  A chat room demo is running at <a href="http://chat.tinyclouds.org">chat.tinyclouds.org</a>. The source
+  code for the chat room is at <a href="http://github.com/ry/node_chat/tree/master">http://github.com/ry/node_chat</a>.
+  The chat room is not stable and may be occasionally go down.
+</p>
+
 </body>
 </html>