loongson/pypi: links for rantone

loongson/mirror rantone-0.5-py3-none-any.whl
loongson/mirror rantone-0.4-py3-none-any.whl
loongson/mirror rantone-0.3-py3-none-any.whl
loongson/mirror rantone-0.1-py3-none-any.whl