loongson/pypi: links for on1builder

loongson/mirror on1builder-2.3.0.tar.gz
loongson/mirror on1builder-2.3.0-py3-none-any.whl
loongson/mirror on1builder-2.1.0.tar.gz
loongson/mirror on1builder-2.1.0-py3-none-any.whl