Lutron QSX and Radio RA3

[bdraco (J. Nick Koston)]

@daytonturner

but its going to be yet another “detect the kind of bridge we’re connecting to and behave completely differently” which already exists for RA2 and Caseta.

We can address how to make that work in the code review process. Ideally as much as possible is abstracted away into pylutron_caseta. The less Home Assistant knows about the protocol details the better