loongson/pypi: links for bco

loongson/mirror BCO-1.2.7-py3-none-any.whl
loongson/mirror BCO-1.2.6.tar.gz
loongson/mirror BCO-1.2.6-py3-none-any.whl
loongson/mirror BCO-1.2.5.tar.gz
loongson/mirror BCO-1.2.4.tar.gz
loongson/mirror BCO-1.2.4-py3-none-any.whl