Make CUDA/PyTorch/Tensorflow matrix re-usable

[bfirsh]

It be neat if this was reusable and maintained outside of Cog. Perhaps the JSON file could live in a separate repository?

[markphelps]

Closing this issue due to inactivity (over 4 years). If there's still interest in extracting the CUDA/PyTorch/TensorFlow compatibility matrix to a separate repository, feel free to reopen or start a new discussion.