loongson/pypi: links for metric-py

loongson/mirror metric_py-0.0.6-cp38-cp38-win_amd64.whl
loongson/mirror metric_py-0.0.6-cp38-cp38-manylinux2014_x86_64.whl
loongson/mirror metric_py-0.0.6-cp37-cp37m-win_amd64.whl
loongson/mirror metric_py-0.0.6-cp37-cp37m-manylinux2014_x86_64.whl
loongson/mirror metric_py-0.0.6-cp36-cp36m-win_amd64.whl
loongson/mirror metric_py-0.0.6-cp36-cp36m-manylinux2014_x86_64.whl