loongson/pypi: links for package-publishing-example

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