[wp-docs] New #wordpress-docs IRC chat room

[Lorelle VanFossen]

For reasons that are beyond me, it was discovered that the #wp-docs chat 
on the FreeNode IRC was not legit.  We now have an official registered 
chat room at #wordpress-docs and I and others will be hanging out on it 
every minute we can or are awake for the next week to help volunteers 
with the Codex Cleanup.

Please update any references in your material, files, links, or 
otherwise to the new IRC chat room.  Thanks!

Lorelle