Seperate room states from global server state

The main server state is now a `HashMap` of `Text` to `MVar Room` instead of
just `Room`. This allows for changing room states independently from the
server state, which should make the entire thing scale better on multi-core
architectures (nevermind that "switching slides" is presumably not something
in much need of multicore servers ...)

0 files changed, 0 insertions, 0 deletions