loongson/mirror: links for rainbow-saddle

loongson/mirror rainbow-saddle-0.4.0.tar.gz
loongson/mirror rainbow-saddle-0.3.2.tar.gz
loongson/mirror rainbow-saddle-0.3.1.tar.gz
loongson/mirror rainbow-saddle-0.3.0.tar.gz
loongson/mirror rainbow-saddle-0.2.1.tar.gz
loongson/mirror rainbow-saddle-0.2.tar.gz
loongson/mirror rainbow-saddle-0.1.1.tar.gz
loongson/mirror rainbow-saddle-0.1.tar.gz