loongson/pypi: links for winpackit

loongson/mirror WinPackIt-0.8.0.tar.gz
loongson/mirror WinPackIt-0.8.0-py3-none-any.whl
loongson/mirror WinPackIt-0.7.0.tar.gz
loongson/mirror WinPackIt-0.7.0-py3-none-any.whl
loongson/mirror WinPackIt-0.6.0-py3-none-any.whl