added matrix link

_includes/footer.html

@@ -37,7 +37,7 @@
 
         ( <a href="irc://hackint.eu/chaospott">#chaospott</a> )<br />
         <span class="fa fa-comments"></span>
-        Matrix: #chaospott:matrix.chaospott.de
+	Matrix: <a href="https://matrix.to/#/!osKXiGWvOJSBoZgGnZ:matrix.chaospott.de">#chaospott:matrix.chaospott.de</a>
       </p>
       <p>
         <i class="fab fa-github"></i> <a href="https://github.com/c3e">c3e</a>