Document watching github issues for notifications

templates/keep-in-touch.html

@@ -10,6 +10,9 @@ <h3>iCal feed</h3>
     <h3>Mailing list</h3>
     <p>To keep abreast of the latest events, fun facts, and debates about what to call this months Substandards, sign up to <a href="http://lists.pubstandards.co.uk/listinfo.cgi/beer-pubstandards.co.uk">the London Pubstandards mailing list</a>.</p>
 
+    <h3>Event Notifications</h3>
+    <p>If you'd like to be notified when a new Pub Standards event is announced, "watch" <a href="https://github.com/pubstandards/pubstandards-london-rsvp">our RSVP Github Issues</a>.</p>
+
     <!--
     <h3>Twitter</h3>
     <p>You can find us <a href="http://twitter.com/pubstandards">on twitter</a>, posting infrequent reminders to come drinking with us.</p>