loongson/mirror: links for back-to-sit

loongson/mirror back_to_sit-0.0.8.tar.gz
loongson/mirror back_to_sit-0.0.7.tar.gz
loongson/mirror back_to_sit-0.0.6.tar.gz
loongson/mirror back_to_sit-0.0.5.tar.gz
loongson/mirror back_to_sit-0.0.4.tar.gz
loongson/mirror back_to_sit-0.0.3.tar.gz
loongson/mirror back_to_sit-0.0.2.tar.gz
loongson/mirror back_to_sit-0.0.1.tar.gz