Merge pull request #38 from ClojureBridge/code-of-conduct-link

reinstate trailing slash in Code of Conduct link

Author: Malwine

_includes/header.html

@@ -14,7 +14,7 @@
       {% endif %}
     {% endfor %}
       <li>
-        <a class="page-link" href="https://bridgefoundry.org/code-of-conduct">Code of Conduct</a>
+        <a class="page-link" href="https://bridgefoundry.org/code-of-conduct/">Code of Conduct</a>
       </li>
       <li>
         <a class="page-link" href="https://github.com/ClojureBridge"><i class="fa fa-github"><span>GitHub</span></i></a>