Implement a websocket client to consume space state from SMIB

[sjefferson99]

Assumes SMIB can present a websocket for space state.

If so, build a websocket client to consume this and update space state, rather than the regular REST space state poll which consumes a lot of CPU time and IO wait.

Use websocket client library: https://github.com/Vovaman/micropython_async_websocket_client