loongson/pypi: links for cnc-centroid-skinning

loongson/mirror cnc_centroid_skinning-1.5.30.tar.gz
loongson/mirror cnc_centroid_skinning-1.5.30-0.editable-py3-none-any.whl
loongson/mirror cnc_centroid_skinning-0.0.2-py3.8.egg