loongson/pypi: links for html-clean

loongson/mirror html_clean-0.0.4.tar.gz
loongson/mirror html_clean-0.0.3.tar.gz
loongson/mirror html_clean-0.0.2.tar.gz
loongson/mirror html_clean-0.0.1.tar.gz
loongson/mirror html_clean-0.0.1-py3.7.egg