loongson/pypi: links for flat-data

loongson/mirror flat_data-1.0.1.tar.gz
loongson/mirror flat_data-1.0.1-py3-none-any.whl
loongson/mirror flat_data-1.0.0.tar.gz
loongson/mirror flat_data-1.0.0-py3-none-any.whl