Write up the project governance process

The project has historically operated as a meritocratic
consensus based community. Formally document what has
always been an unwritten assumption amongst the community
participants. Also include an explicit code of conduct
to preempt any potential, but unlikely, future problems.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

docs/sitemap.html.in

@@ -352,6 +352,10 @@
             <a href="virshcmdref.html">Virsh Commands</a>
             <span>Command reference for virsh</span>
           </li>
+          <li>
+            <a href="governance.html">Governance</a>
+            <span>Project governance and code of conduct</span>
+          </li>
         </ul>
       </li>
       <li>