It would be good to have a getting started guide to setup Metrics exporter for Prometheus and demonstrate end to end metrics flow.

Good reference -
https://github.com/open-telemetry/opentelemetry-dotnet/tree/main/docs/metrics/getting-started-prometheus-grafana

Depends on these PRs get merged.

• prometheus exporter #1331
• prometheus example #1332