Jesse Goodier

adding howto docs

2

## What does this PR change? * add a howto for installing on a clean cluster * fixes some kubecost>opencost naming in files * sample queries ## Does this PR...

ability to check Prometheus Receiver scrape target health

2

**Describe the question** Is it possible to check the health of the scrape jobs of the Prometheus Receiver when a target is down? Even with debug logging, I see nothing,...