README for Kwiki::IRCMode

This module registers a ".irc" block, which will format IRC conversations like
the following:

 .irc
 <rjbs> Hey, is there an IRC block for Kwiki?
 <z00s> No.  Why don't you shut up and write one?
 <rjbs> Maybe I will!
 <z00s> Maybe you should!
 <rjbs> FINE!
 .irc

