fix(contact): update contact information

Author: trollixx

contact.html

@@ -9,15 +9,13 @@
 
   <ul>
     <li>Report bugs and submit feature requests to the <a href="https://github.com/zealdocs/zeal/issues">GitHub issues</a>.</li>
-    <li>Ask any questions in our <a href="https://groups.google.com/d/forum/zealdocs">Google Group</a>. You can simply send an
-      email to <a href="mailto:[email protected]">[email protected]</a>.
-    </li>
+    <li>Ask any questions in the <a href="https://github.com/zealdocs/zeal/discussions">GitHub discussions</a>.</li>
     <li>For a quick chat with developers and other Zeal users use our IRC channel: <code>#zealdocs</code> on
-      <a href="https://freenode.net/">Freenode</a>. Also available through Kiwi IRC
-      <a href="https://kiwiirc.com/client/irc.freenode.net/#zealdocs">web interface</a>. Please, take into consideration
+      <a href="https://libera.chat/">Libera Chat</a>. Also available through
+      <a href="https://web.libera.chat/#zealdocs">web interface</a>. Please, take into consideration
       possible time zone differences.
     </li>
-    <li>For a private talk send us an <a href="mailto:zeal@zealdocs.org">email</a>.</li>
+    <li>For a private talk send us an <a href="mailto:support@zealdocs.org">email</a>.</li>
     <li>And don't forget to follow <a href="https://twitter.com/zealdocs">@zealdocs</a> on Twitter!</li>
   </ul>
 </div>