Current work on migrating chat over to a registry

[electronicboy]

This is a WIP and some aspects I'm not really fond of,

ChatType was migrated away from an enum in the internal ChatBuilder, I'm not sure if this actually makes sense in retrospect, or if this class should even stay for that point, (and somewhat in retrospect against the changes I did in there)

The Registry needs to be per-player, stored on the Connection, but, this does create some caveats, should the proxy be able to define custom chat formats?