Update mastodon account info

contact.html

@@ -6,7 +6,7 @@ title: Contact
 
 <h3>Social Media</h3>
 <ul class="contact">
-    <li><a href="https://mond-basis.eu/@franzi">@franzi@mond-basis.eu [Mastodon]</a></li>
+    <li><a href="https://chaos.social/@kunsi" rel="me">@kunsi@chaos.social [Mastodon]</a></li>
     <li><a href="https://twitter.com/_kunsi">@_kunsi [Twitter]</a></li>
 </ul>