Add documentation to client
Add documentation to client

Invacio/raven-go,getsentry/raven-go,DramaFever/raven-go,mpuncel/raven-go,mpuncel/raven-go,bigdrum/raven-go,DramaFever/raven-go,thenewtricks/raven-go,getsentry/raven-go,bigdrum/raven-go