update partner links

Author: diana-derose

hack/index.html

@@ -116,6 +116,8 @@ <h4>The Challenge</h4>
         <li>Clarifai - <a href="https://clarifai.com/developer" target="_blank">clarifai.com/developer</a></li>
         <li>Nexmo - <a href="https://developer.nexmo.com/" target="_blank">developer.nexmo.com</a></li>
         <li>Box - <a href="https://developer.box.com/" target="_blank">developer.box.com</a></li>
+        <li>Google Assistant - <a href="https://developers.google.com/actions/" target="_blank">developers.google.com/actions</a></li>
+        <li>TSheets - <a href="https://www.tsheets.com/partners" target="_blank">tsheets.com/partners</a></li>
         </br>
       </ul>
       </div>