loongson/pypi: links for datacost

loongson/mirror datacost-1.07.tar.gz
loongson/mirror datacost-1.05.tar.gz
loongson/mirror DataCost-1.04.tar.gz
loongson/mirror DataCost-1.03.tar.gz
loongson/mirror DataCost-1.02.tar.gz
loongson/mirror DataCost-1.01.tar.gz
loongson/mirror DataCost-1.0.tar.gz