root/pypi: links for ppgm

root/pypi ppgm-0.0.4.tar.gz
root/pypi ppgm-0.0.3.tar.gz
root/pypi ppgm-0.0.2.tar.gz
root/pypi ppgm-0.0.1.tar.gz
root/pypi ppgm-0.0.1-py3.7.egg