Update README for the troubling
Update README for the troubling

Mainly the directory level is 1 less against the one we had
when nested under Swift.

redbo/hummingbird,creiht/hummingbird,creiht/hummingbird,troubling/hummingbird,corystone/hummingbird,nadeemsyed/hummingbird,redbo/hummingbird,troubling/hummingbird,nadeemsyed/hummingbird,corystone/hummingbird