Docs update request: /docs/prysm-usage/monitoring/grafana-dashboard

[aoduhabc]

Source: https://docs.prylabs.network/docs/monitoring/is-everything-fine

Request: (how can we help?) If I choose not to use Prometheus to monitor these metrics and instead want to obtain them through network requests, how should I proceed?

[prestonvanloon]

@aoduhabc, consider registering at https://beaconcha.in for their monitoring service