loongson/pypi: links for cstats

loongson/mirror cstats-0.2.1.tar.gz
loongson/mirror cstats-0.2.1-py2.py3-none-any.whl
loongson/mirror cstats-0.1.2.zip
loongson/mirror cstats-0.1.2-py2-none-any.whl