* Add mac build to CI
* Always return an error for Health when not linux
* Change macos workflow
* Rename macos tests
* Disable health API test on Mac
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
* Start adding health endpoint
* Use psutil more
* Add get_health test
* Expose health to Prom
* Update comments
* Add /node/health to docs
* Update Prom naming