root/pypi: links for nucleardatapy

root/pypi nucleardatapy-0.2.1.tar.gz
root/pypi nucleardatapy-0.2.1-py3-none-any.whl
root/pypi nucleardatapy-0.2.0.tar.gz
root/pypi nucleardatapy-0.2.0-py3-none-any.whl