Merge branch 'libera' into 'master'

Replace freenode references with Libera.chat

See merge request !102

content/community.html

@@ -4,10 +4,10 @@
 <div class="row">
   <div class="community-box col-lg-4 col-md-6">
     <h2><i class="far fa-comments"></i>  IRC and Chats</h2>
-    <p>There are several Lisp related <a href="https://en.wikipedia.org/wiki/Internet_Relay_Chat">IRC</a> channels at <a href="http://freenode.net">Freenode</a>:
+    <p>There are several Lisp related <a href="https://en.wikipedia.org/wiki/Internet_Relay_Chat">IRC</a> channels at <a href="https://libera.chat">Libera.chat</a>:
     <ul>
-      <li><a href="http://log.irc.tymoon.eu/freenode/lisp">#lisp</a> - Main Common Lisp channel</li>
-      <li><a href="#">##lisp</a> - To discuss general lisp dialects of all shapes and forms</li>
+      <li><a href="https://irclog.tymoon.eu/libera/commonlisp">#commonlisp</a> - Main Common Lisp channel</li>
+      <li><a href="#">#lisp</a> - To discuss general lisp dialects of all shapes and forms</li>
       <li><a href="#">#lispcafe</a> - A less formal channel for lisp-oriented discussion</li>
     </ul>
     </p>