loongson/pypi: links for cn-treasury-curve

loongson/mirror cn-treasury-curve-0.6.tar.gz
loongson/mirror cn-treasury-curve-0.5.tar.gz
loongson/mirror cn-treasury-curve-0.4.tar.gz
loongson/mirror cn-treasury-curve-0.3.tar.gz
loongson/mirror cn-treasury-curve-0.2.tar.gz
loongson/mirror cn-treasury-curve-0.1.tar.gz