root/pypi: links for persistd

root/pypi persistd-1.2.1.tar.gz
root/pypi persistd-1.2.1-py3-none-any.whl
root/pypi persistd-1.2.0.tar.gz
root/pypi persistd-1.2.0-py3.7.egg
root/pypi persistd-1.2.0-py3-none-any.whl