Add a Conda environment YAML file to setup the testing environment on XSEDE's EXPANSE machine as outlined in Issue #5.
* Add Conda environment file expanse-environment.yml
* Update funcx and funcx-endpoint requirements
* Add environment setup script for EXPANSE to use CUDA and Conda
* Add section to the README on setting up the environment on EXPANSE
Co-authored-by: Ben Galewsky <ben@peartreestudio.net>
Add a Conda environment YAML file to setup the testing environment on XSEDE's EXPANSE machine as outlined in Issue #5.