Currently incomplete and untested, details in associated GitHub repo.
Missing auth key entry and transit to associated binaries.

Working via auth-key entry up-front during install.
But no Web-UI as yet.

Inergrated webui requires upstream changes to startup
script in docker container that are in-progress.
Added volume to avoid etherial default of using ram
to store state, so we configure via existing env var
and map to a share.
Remove user text regarding key generation as node
authenticates via built in webui:
given minor /tailscale/run.sh modifications to be
submitted upstream.