loongson/pypi: links for networkconfigdiff

loongson/mirror networkconfigdiff-1.6.tar.gz
loongson/mirror NetworkConfigDiff-1.6-py3-none-any.whl
loongson/mirror networkconfigdiff-1.5.tar.gz
loongson/mirror NetworkConfigDiff-1.5-py3-none-any.whl
loongson/mirror NetworkConfigDiff-1.4-py3-none-any.whl