Add iCITA WAI-ARIA examples to resources.html

Created by: bjankord

Came across this site that has a lot of nice ARIA examples for different UI components. Thought it would be a nice addition to the resources page.

resources.html

@@ -33,6 +33,7 @@ description: Accessibility software, books, blogs, online tools, and more
             <li><a href="http://www.html5accessibility.com/" rel="external">HTML5 Accessibility</a></li>
             <li><a href="http://www.w3.org/TR/wai-aria/" rel="external">W3C WAI-ARIA Specification</a></li>
             <li><a href="https://dvcs.w3.org/hg/aria-unofficial/raw-file/tip/index.html#rec" rel="external">W3C: Recommended ARIA usage by feature</a></li>
+            <li><a href="http://test.cita.illinois.edu/aria/" rel="external">Illinois Center for Information Technology and Web Accessibility WAI-ARIA Examples</a></li>
         </ul>
     </div>
 </div>