loongson/pypi: links for npdyn

loongson/mirror nPDyn-3.0.0.tar.gz
loongson/mirror nPDyn-3.0.0-cp39-cp39-any.whl
loongson/mirror nPDyn-2.0.1.tar.gz
loongson/mirror nPDyn-2.0.1-cp36-cp36m-any.whl