Switch contact info to libera

theme/templates/page.html

@@ -58,7 +58,7 @@
             <h2>Contact</h2>
             Email: <a href="mailto:kontakt@hackenopenair.de">
                 kontakt@hackenopenair.de</a><br>
-	    IRC: #hackenopenair @ irc.freenode.net (<a href="https://webchat.freenode.net/#hackenopenair">Webchat</a>)<br>
+	    IRC: #hackenopenair @ irc.libera.chat (<a href="https://kiwiirc.com/nextclient/irc.libera.chat/hackenopenair">Webchat</a>)<br>
 	    Mastodon: <a href="https://chaos.social/@HackenOpenAir">chaos.social/@HackenOpenAir</a><br>
 	    Twitter: <a href="https://twitter.com/HackenOpenAir">@HackenOpenAir</a><br>
             <a href="/impressum.html">Imprint and Data Protection Declaration</a>
@@ -71,7 +71,7 @@
             <h2>Kontakt</h2>
             Mail: <a href="mailto:kontakt@hackenopenair.de">
                 kontakt@hackenopenair.de</a><br>
-	    IRC: #hackenopenair @ irc.freenode.net (<a href="https://webchat.freenode.net/#hackenopenair">Webchat</a>)<br>
+	    IRC: #hackenopenair @ irc.libera.chat (<a href="https://kiwiirc.com/nextclient/irc.libera.chat/hackenopenair">Webchat</a>)<br>
 	    Mastodon: <a href="https://chaos.social/@HackenOpenAir">chaos.social/@HackenOpenAir</a><br>
 	    Twitter: <a href="https://twitter.com/HackenOpenAir">@HackenOpenAir</a><br>
             <a href="/impressum.html">Impressum und Datenschutzerklärung</a>