loongson/pypi: links for chartstag

loongson/mirror chartstag-0.8.2.tar.gz
loongson/mirror chartstag-0.8.2-py3-none-any.whl
loongson/mirror chartstag-0.8.1.tar.gz
loongson/mirror chartstag-0.8.1-py3-none-any.whl