loongson/pypi: links for chz

loongson/mirror chz-0.3.0.tar.gz
loongson/mirror chz-0.3.0-py3-none-any.whl
loongson/mirror chz-0.1.0.tar.gz
loongson/mirror chz-0.1.0-py3-none-any.whl
loongson/mirror chz-0.1a1.tar.gz