add cleaning page

Author: thibaultmol

content/cleaning.html

@@ -0,0 +1,13 @@
+---
+title: Cleaning
+---
+<%
+# vim: set ts=2 sw=2 et ai ft=eruby:
+%>
+
+<div class="about-us">
+  <div class="text-block">
+    <p>If you have problems with the toilets, please report them via <a href="https://grist.fosdem.org/forms/uGQvcksD4NoWyVFTx7TiND/13">this form</a>.</p>
+    <p>For other cleaning-related remarks, email <a href="mailto:cleaning@fosdem.org">cleaning@fosdem.org</a>.</p>
+  </div>
+</div>