added steam/steam-fiqus-dev-public-docker; added steam/pint-docker-image
Added docker images for https://gitlab.cern.ch/steam/steam-fiqus-dev-public-docker and https://gitlab.cern.ch/steam/pint-docker-image.
These are finite element and related tools for quench simulation of superconducting magnets, part of the STEAM framework, see cern.ch/steam.