Move and add moar IRC channels.
Move and add moar IRC channels.

All team channels were moved to a new section called "Team Channels".

Added a bunch more community project channels.

Removed the defunct rust-infra channel.

AndrewBrinker/rust-www,AndrewBrinker/rust-www,AndrewBrinker/rust-www,AndrewBrinker/rust-www,AndrewBrinker/rust-www,AndrewBrinker/rust-www