loongson/pypi: links for bttmb

loongson/mirror bttmb-2.5.0.tar.gz
loongson/mirror bttmb-2.5.0-py3-none-any.whl
loongson/mirror bttmb-2.4.9.tar.gz
loongson/mirror bttmb-2.4.9-py3-none-any.whl
loongson/mirror bttmb-2.4.5.tar.gz
loongson/mirror bttmb-2.4.5-py3-none-any.whl
loongson/mirror bttmb-2.0.0.tar.gz
loongson/mirror bttmb-2.0.0-py3-none-any.whl
loongson/mirror bttmb-0.4.0.tar.gz
loongson/mirror bttmb-0.4.0-py3-none-any.whl