loongson/pypi: links for belfry-python-anvil

loongson/mirror belfry_python_anvil-4.0.1.tar.gz
loongson/mirror belfry_python_anvil-4.0.1-py3-none-any.whl
loongson/mirror belfry_python_anvil-4.0.0.tar.gz
loongson/mirror belfry_python_anvil-4.0.0-py3-none-any.whl