Add a pointer to the mailing lists we provide.

clubs/directory.xml

@@ -3,4 +3,6 @@
 <!DOCTYPE directory SYSTEM "../csc.dtd">
 
 <directory title="Clubs">
-</directory>
+  <diritem title="Mailing Lists"
+    href="http://csclub.uwaterloo.ca/mailman/listinfo/" />
+</directory>

clubs/index.xml

@@ -48,5 +48,11 @@
     <li><a href="waveform/">Waveform Transmission Collective</a></li>
   </ul>
  </section>
+
+ <section title="Mailing lists we host">
+ <p>We also host a number of <a
+ href="http://csclub.uwaterloo.ca/mailman/listinfo/">mailing lists</a>
+ for various organisations, on-campus or in the community..</p>
+ </section>
  <footer />
 </cscpage>