loongson/pypi: links for rdreturnpurchase

loongson/mirror rdreturnpurchase-1.1.7.tar.gz
loongson/mirror rdreturnpurchase-1.1.7-py3-none-any.whl
loongson/mirror rdreturnpurchase-1.0.6.tar.gz
loongson/mirror rdreturnpurchase-1.0.6-py3-none-any.whl
loongson/mirror rdreturnpurchase-1.0.5-py3-none-any.whl