loongson/pypi: links for gradoptics

loongson/mirror gradoptics-0.0.4.tar.gz
loongson/mirror gradoptics-0.0.3.tar.gz
loongson/mirror gradoptics-0.0.2.tar.gz
loongson/mirror gradoptics-0.0.2-py3-none-any.whl
loongson/mirror gradoptics-0.0.1.tar.gz
loongson/mirror gradoptics-0.0.1-py3-none-any.whl