Ruth Stento

@jtownley @thothmoses, I can't find anywhere in the Akka Platform Guide where it explains what the Grafana and Prometheus helm charts are and why you would want to use them....

> @rstento This does have to be linked and built out - most of the information is in the Lightbend Telemetry documentation. > > https://developer.lightbend.com/docs/telemetry/current/visualizations/grafana.html#running-grafana But that still doesn't contain...