loongson/pypi: links for ws-proxy

loongson/mirror ws_proxy-0.2.8.tar.gz
loongson/mirror ws_proxy-0.2.8-py3-none-any.whl
loongson/mirror ws_proxy-0.2.7.tar.gz
loongson/mirror ws_proxy-0.2.5.tar.gz
loongson/mirror ws_proxy-0.2.3.tar.gz
loongson/mirror ws_proxy-0.2.1.tar.gz