* Keep wallet name and password file in sync with commands
* Fix create validator example to include required param --count
The current example fails with v0.1.2 fails with "Must supply either --count or --at-most" This change proposes passing count=1, esp'ly since "Creating another validator is easy" a couple of paragraphs down.
* Fix broken links to wallet-create
Wallet links result in file not found. May be caused by the lack of `.md`?
* Include node/health in TOC
* Remove unnecessary book files
Co-authored-by: J Burnett <jburnett@users.noreply.github.com>
* 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
