Marc Sanmiquel

NR-55461 Add Prometheus Agent quickstart

2

# Summary Add Prometheus Agent quickstart. For context, we developed the [New Relic Prometheus Configurator](https://github.com/newrelic/newrelic-prometheus-configurator#newrelic-prometheus-configurator) in order to simplify the experience configuring features like discovery, filtering, metrics decoration, and sharding....

## Problem When using the `authToken` for Grafana Cloud, users encounter a confusing error message: ``` [ERROR] upload profile: failed to upload. server responded with statusCode: '401' and body: '{"status":"error","error":"authentication...

## Problem When using the `auth_token` for Grafana Cloud, users encounter a confusing error message: ``` [ERROR] upload profile: failed to upload. server responded with statusCode: '401' and body: '{"status":"error","error":"authentication...