Update Docs / Misc Refinements
Fleshed out Documentation
alpine.conf
- improve motd readability
- default access = public
- default regions = all
- remove version 3.11 (EOL)
alpine-testing.conf
- access is private
- limit aws regions
build
- improve/refine overlay installation
- rename "actions" step to "state"
image_configs.py
- target step "state" updates images.yaml as if "publish" WOULD be done (but won't be)