Add requirements.txt for generate.py
This MR adds a requirements.txt file that includes the requirements for generate.py, see https://git.ligo.org/computing/packaging/metapackages/-/merge_requests/100#note_598434 for a use case.
This MR adds a requirements.txt file that includes the requirements for generate.py, see https://git.ligo.org/computing/packaging/metapackages/-/merge_requests/100#note_598434 for a use case.