loongson/pypi: links for python-dingz

loongson/mirror python-dingz-0.4.0.tar.gz
loongson/mirror python_dingz-0.4.0-py3-none-any.whl
loongson/mirror python-dingz-0.3.0.tar.gz
loongson/mirror python_dingz-0.3.0-py3-none-any.whl
loongson/mirror python-dingz-0.2.0.tar.gz