Link to more relevant style guidelines.
Link to more relevant style guidelines.

Change-Id: Ic91bcb0963c7b1193814fa049c69306b85e96ec0

jimmidyson/prometheus-client_golang,asbjornenge/client_golang,fabxc/client_golang,mattkanwisher/client_golang,telendt/client_golang,stapelberg/client_golang,prometheus/client_golang,KevinPike/client_golang,m3db/prometheus_client_golang