message: Add help text
diff: @@ -205,6 +205,12 @@ ircService:
  # $SERVER => The IRC server address (e.g. "irc.example.com")
  # $CHANNEL => The IRC channel (e.g. "#python")
  # This MUST have $CHANNEL somewhere in it.
  + #
  + # In certain circumstances you might want to bridge your whole IRC network as a
  + # homeserver (e.g. #matrix:libera.chat). For these use cases, you can set the
  + # template to just be $CHANNEL. Doing so will preclude you from supporting
  + # other prefix characters though.
  + #
  # Default: '#irc_$SERVER_$CHANNEL'
  aliasTemplate: "#irc_$CHANNEL"
  # A list of user IDs which the AS bot will send invites to in response
  