adding the new page (event) to writing.html

writing.html

@@ -36,6 +36,7 @@
       <li><a href="index.html">about</a></li>
       <li><a href="map.html">map</a></li>
       <li><a href="writing.html">process</a></li>
+      <li><a href="publication.html">event</a></li>
     </ul>
   </nav>
   <div class="grid-wrap">