[IRCServices] new feature for the Forbid command

[Casey]

With the Forbid command for NickServ and ChanServ -- it would be nice to
have a forbid with * so you can forbid all parts of the nickname and
channels.

NickServ forbid *nickname* -- forbids all types of nickname from being
registered -- nickname123 - ^nickname

and the same for ChanServ with #*channel*

A reason would be nice to have for the forbid - like for example
ChanServ forbid #*network.name* reserved for network admins.

Have a Forbid List command that lets you list all of the forbid nicks
and channels.