loongson/pypi: links for blockdiagcontrib-qb

loongson/mirror blockdiagcontrib-qb-0.1.3.tar.gz
loongson/mirror blockdiagcontrib-qb-0.1.2.tar.gz
loongson/mirror blockdiagcontrib-qb-0.1.1.tar.gz
loongson/mirror blockdiagcontrib-qb-0.1.0.tar.gz