Update topics/irc/index.md

Co-authored-by: Eric Sorenson <ahpook@github.com>

Author: piratabrasileiro1

topics/irc/index.md

@@ -4,5 +4,6 @@ aliases: irc-network,irc-website,irc-chat,internet-relay-chat
 short_description: irc is a chat software to real-time talk on the internet. 
 related: chat,website
 topic: irc
+wikipedia_url: https://en.wikipedia.org/wiki/IRC
 ---
 irc is a chat software to real-time talk on the internet, created in 1988 by jarkko oikarinen.