loongson/pypi: links for pyssrs2

loongson/mirror pySSRS2-2.0.1.tar.gz
loongson/mirror pySSRS2-2.0.1-py3-none-any.whl
loongson/mirror pySSRS2-2.0.0.tar.gz
loongson/mirror pySSRS2-2.0.0-py3-none-any.whl