loongson/mirror: links for brainpp

loongson/mirror brainpp-2.7.8.tar.gz
loongson/mirror brainpp-2.7.8-py3-none-any.whl
loongson/mirror brainpp-2.0.1.tar.gz
loongson/mirror brainpp-2.0.1-py3-none-any.whl