sh: PROJECT: command not found
c:\Program Files\Docker Toolbox\docker.exe: "run" requires a minimum of 1 argument.
See 'c:\Program Files\Docker Toolbox\docker.exe run --help'.
Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
That command is a Makefile command, using the Makefile-defined $(PROJECT) which typically is venus or ploneintranet - it should be the same name as the docker image you built with the provided make docker-build target. Did you build that container?
The provided scripts and environment settings are for Linux, they're not for Windows.
run that docker image (this gives you a standard Ubuntu container with all dependencies pre-installed for you)
buildout the ploneintranet install (inside the docker container)
start all services
create a site and run the testcontent demo profile using the ZMI
access the Ploneintranet site you just created
For steps 1 and 2 on Windows, you should probably figure those out by following https://docs.docker.com/windows/ and using the ploneintranet supplied Dockerfile.
For the following steps, use the documented ploneintranet install procedure.