loongson/pypi: links for bigbrain

loongson/mirror bigbrain-0.1.2.tar.gz
loongson/mirror bigbrain-0.1.1.tar.gz
loongson/mirror bigbrain-0.1.1-py3-none-any.whl
loongson/mirror bigbrain-0.0.2.tar.gz
loongson/mirror bigbrain-0.0.1.tar.gz