root/pypi: links for mgen

root/pypi mgen-1.2.1.tar.gz
root/pypi mgen-1.2.1-py3-none-any.whl
root/pypi mgen-1.2.0.tar.gz
root/pypi mgen-1.1.1.tar.gz
root/pypi mgen-1.1.0.tar.gz
root/pypi mgen-1.0.0.tar.gz