root/pypi: links for npnd

root/pypi npnd-0.3.0.tar.gz
root/pypi npnd-0.3.0-py3-none-any.whl
root/pypi npnd-0.2.0.tar.gz
root/pypi npnd-0.2.0-py3-none-any.whl
root/pypi npnd-0.1.0.tar.gz
root/pypi npnd-0.1.0-py3-none-any.whl