Documented IRC channel move to Libera Chat (#565)

Author: thresheek

source/community/irc.rst

@@ -60,12 +60,12 @@ the ways that we expect all users and operators to adhere to.
   still expected that our users have and use it. As a general rule, treat
   everyone the way you want to be treated. 
 
-This list is not inclusive. We will uphold the `Freenode Network Guidelines`_
-as well as the `Freenode Channel Guidelines`_. Any and all users should both
+This list is not inclusive. We will uphold the `Libera Chat Network Guidelines`_
+as well as the `Libera Chat Channel Guidelines`_. Any and all users should both
 follow and enforce these guidelines where they see fit.
 
-.. _`Freenode Network Guidelines`: https://freenode.net/policies
-.. _`Freenode Channel Guidelines`: https://freenode.net/changuide
+.. _`Libera Chat Network Guidelines`: https://libera.chat/policies
+.. _`Libera Chat Channel Guidelines`: https://libera.chat/guidelines
 
 Appeals Process
 ---------------

source/community/irc_ops.rst

@@ -25,7 +25,7 @@ Here are some points to remember when enabling operator status:
 * *Don't use ignore*: Even when people are very offensive to you in private
   chat, don't use your /ignore function. A soft-ignore (simply not
   responding) works nearly as well. If you /ignore too much, chances are you
-  will miss problems in the channel. Freenode also has +g user mode, which 
+  will miss problems in the channel. Libera Chat also has +g user mode, which 
   blocks private messages and notices but not channel activity. If someone is
   abusive in private, /mode <your_nick> +g can help; you can add exceptions with
   /accept command. Do not filter your channel info (joins/parts/klines etc).
@@ -46,7 +46,7 @@ Here are some points to remember when enabling operator status:
   how to comment on that ban. This makes it both very easy and very efficient to
   add comments about bans, which makes managing future issues much easier. 
 * *Don't retaliate*: If someone misbehaves, don't retaliate. Take only the
-  appropriate actions to prevent further abuse (kick, ban, contact Freenode
+  appropriate actions to prevent further abuse (kick, ban, contact Libera Chat
   staff). Retaliation is against the :ref:`community-irc-coc` and makes us
   look bad as an operator team. As operators we expect users to retaliate when
   we reprimand them. This is what a ban is for and if users attempt to evade a

source/start/topics/tutorials/config_pitfalls.rst

@@ -9,7 +9,7 @@ Pitfalls and Common Mistakes
 
 New and old users alike can run into a pitfall. Below we outline issues that we
 see frequently as well as explain how to resolve those issues. In the #nginx IRC
-channel on Freenode, we see these issues frequently.
+channel on Libera Chat, we see these issues frequently.
 
 This Guide Says
 ---------------