prometheus_metrics: add wiki documentation for configuration (#2958)
prometheus_metrics: add wiki documentation for configuration (#2958)


jacknagz/osquery,jacknagz/osquery,jacknagz/osquery,jedi22/osquery,PoppySeedPlehzr/osquery,hackgnar/osquery,PoppySeedPlehzr/osquery,tburgin/osquery,tburgin/osquery,jedi22/osquery,hackgnar/osquery,jedi22/osquery,PoppySeedPlehzr/osquery,hackgnar/osquery,tburgin/osquery