root/pypi: links for cubicweb-massmailing

root/pypi cubicweb-massmailing-1.0.0.tar.gz
root/pypi cubicweb_massmailing-1.0.0-py3-none-any.whl
root/pypi cubicweb-massmailing-0.2.0.tar.gz
root/pypi cubicweb-massmailing-0.1.0.tar.gz