loongson/pypi: links for b2tob64

loongson/mirror b2tob64-2.0.0.tar.gz
loongson/mirror b2tob64-2.0.0-py3-none-any.whl
loongson/mirror b2tob64-1.1.0.tar.gz
loongson/mirror b2tob64-1.1.0-py3-none-any.whl
loongson/mirror b2tob64-1.0.0.tar.gz
loongson/mirror b2tob64-1.0.0-py3-none-any.whl
loongson/mirror b2tob64-0.1.0.tar.gz
loongson/mirror b2tob64-0.1.0-py3-none-any.whl