RunCellpose via docker (#203)

* adding docker subprocess option to RunCellpose

* Dockerfile and associated script for building RunCellpose docker

* add docker documentation

* better docs since docker image is automatically downloaded when requested

* upgrade module version

* fix upgrade settings

* docs for using docker

* Add model to upgrade_settings

* Typo

* Fix upgrade_settings fixier

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Co-authored-by: Erin Weisbart <54687786+ErinWeisbart@users.noreply.github.com>
Co-authored-by: Beth Cimini <bethac07@users.noreply.github.com>
Co-authored-by: bethac07 <bcimini@broadinstitute.org>

Author: 3 people