root/pypi: links for product-category

root/pypi product_category-0.0.2.tar.gz
root/pypi product_category-0.0.2-py2.py3-none-any.whl
root/pypi product_category-0.0.0.tar.gz
root/pypi product_category-0.0.0-py2.py3-none-any.whl