Update index.html

index.html

@@ -37,6 +37,10 @@
           <span class="icon icon-github icon-text"></span>
           View Github
         </a>
+        <a class="btn btn-large btn-default" style="margin-right: 0px;" href="mailto:pushworld@deepmind.com">
+          <span class="icon icon-mail icon-text"></span>
+          Contact DeepMind
+        </a>
       </div>
     </div>
     <div id="content">