Link to mutalyzer-announce from the website

mutalyzer/website/templates/base.html

@@ -120,6 +120,9 @@
                     <li>
                         <a href="https://humgenprojects.lumc.nl/trac/mutalyzer" target="new">Feedback</a>
                     </li>
+                    <li>
+                        <a href="https://humgenprojects.lumc.nl/trac/mutalyzer/wiki/MutalyzerDocumentation#Mailinglist:mutalyzer-announce" target="new">Mailing list</a>
+                    </li>
                     <li>
                         <a href="https://github.com/LUMC/mutalyzer" target="new">Source code</a>
                     </li>

mutalyzer/website/templates/webservices.html

@@ -10,6 +10,13 @@ Most Mutalyzer functionality is programmatically available through two
 interfaces: a SOAP web service and a HTTP/RPC+JSON web service.
 </p>
 
+<p>
+Consider subscribing to our
+low-traffic <a href="https://humgenprojects.lumc.nl/trac/mutalyzer/wiki/MutalyzerDocumentation#Mailinglist:mutalyzer-announce">mutalyzer-announce
+mailing list</a> if you're using our webservices. Whenever there are important
+changes to the webservices upcoming, we will announce them there.
+</p>
+
 <h3>SOAP web service</h3>
 
 <p>
@@ -51,7 +58,7 @@ The HTTP/RPC+JSON web service is experimental and currently undocumented. It can
 </p>
 
 <p>
-Example: 
+Example:
 <pre><a href="{{ json_root_url }}/checkSyntax?variant=AB026906.1:c.274del">checkSyntax?variant=AB026906.1:c.274del</pre></a>
 
 <p>