Need instructions/scripts for running with Docker Desktop

[masinter]

I still need a kind of "run-medley" for back-end "docker" which will open the docker image, start vnc viewer, mount my LOGINDIR for people who want to give access to only a medley-specific area and not all their files

Originally posted by @masinter in https://github.com/Interlisp/medley/issues/514#issuecomment-965836941