loongson/pypi: links for lunchpy

loongson/mirror lunchpy-1.0.0.tar.gz
loongson/mirror lunchpy-1.0.0b1.tar.gz
loongson/mirror lunchpy-1.0.0b1-py3-none-any.whl
loongson/mirror lunchpy-1.0.0a1-py3-none-any.whl