Perform health check in background for router component

[Ratish1]

Hello, is this a TODO I could possibly work on, if so is there any particular requirements I need to satisy to make sure this is done properly. Thanks.

miles/miles/router/router.py

Line 67 in 9a5c10b

# TODO: do health check in background

[fzyzcjy]

I double checked internally, and looks like just implement it naively (normally), no worries

[Ratish1]

Ok will start working on it