loongson/pypi: links for python-sample-package

loongson/mirror python-sample-package-0.4.0.tar.gz
loongson/mirror python_sample_package-0.4.0-py3-none-any.whl
loongson/mirror python-sample-package-0.3.0.tar.gz
loongson/mirror python_sample_package-0.3.0-py3-none-any.whl