loongson/mirror: links for sdeint

loongson/mirror sdeint-0.3.0.tar.gz
loongson/mirror sdeint-0.2.4.tar.gz
loongson/mirror sdeint-0.2.3.tar.gz
loongson/mirror sdeint-0.2.2.tar.gz
loongson/mirror sdeint-0.2.1.tar.gz
loongson/mirror sdeint-0.2.0.tar.gz