loongson/pypi: links for ckanext-dataset-reference

loongson/mirror ckanext-Dataset-Reference-2.0.2.tar.gz
loongson/mirror ckanext-Dataset-Reference-2.0.1.tar.gz
loongson/mirror ckanext_Dataset_Reference-2.0.1-py3-none-any.whl
loongson/mirror ckanext-Dataset-Reference-2.0.0.tar.gz
loongson/mirror ckanext_Dataset_Reference-2.0.0-py3-none-any.whl