Add Code of Conduct link to footer (Fixes #765) (#801)

Author: kjaymiller

_layouts/_includes/footer.html

@@ -16,6 +16,7 @@ <h3>Quick link</h3>
           <li><a href="/partnerships.html">Partnerships</a></li>
           <li><a href="/community.html">Community</a></li>
           <li><a href="/support.html">Support</a></li>
+          <li><a href="/code-of-conduct.html">Code of Conduct</a></li>
         </ul>
       </div>
       <!-- Contact Us Section -->