loongson/pypi: links for set-proxy

loongson/mirror set_proxy-0.2.0.tar.gz
loongson/mirror set_proxy-0.2.0-py3-none-any.whl
loongson/mirror set_proxy-0.1.1.tar.gz
loongson/mirror set_proxy-0.1.1-py3-none-any.whl
loongson/mirror set_proxy-0.1.0.tar.gz
loongson/mirror set_proxy-0.1.0-py3-none-any.whl