loongson/pypi: links for pypuns

loongson/mirror pypuns-0.4.2.0.tar.gz
loongson/mirror pypuns-0.4.2.0-py3-none-any.whl
loongson/mirror pypuns-0.3.2.0.tar.gz
loongson/mirror pypuns-0.3.2.0-py3-none-any.whl
loongson/mirror pypuns-0.2.2.0.tar.gz
loongson/mirror pypuns-0.2.2.0-py3-none-any.whl
loongson/mirror pypuns-0.1.2.0.tar.gz
loongson/mirror pypuns-0.1.2.0-py3-none-any.whl