root/pypi: links for proof-of-training

root/pypi proof_of_training-0.7.0.tar.gz
root/pypi proof_of_training-0.7.0-py3-none-any.whl
root/pypi proof_of_training-0.6.0.tar.gz
root/pypi proof_of_training-0.6.0-py3-none-any.whl
root/pypi proof_of_training-0.5.0.tar.gz
root/pypi proof_of_training-0.5.0-py3-none-any.whl
root/pypi proof_of_training-0.4.0.tar.gz
root/pypi proof_of_training-0.4.0-py3-none-any.whl