loongson/pypi: links for chengxiang

loongson/mirror chengxiang-1.0.2.tar.gz
loongson/mirror chengxiang-1.0.2-py3-none-any.whl
loongson/mirror chengxiang-1.0.1.tar.gz
loongson/mirror chengxiang-1.0.1-py3.6.egg
loongson/mirror chengxiang-1.0.1-py3-none-any.whl