loongson/pypi: links for lain

loongson/mirror lain-4.10.39.tar.gz
loongson/mirror lain-4.10.38.tar.gz
loongson/mirror lain-4.10.37.tar.gz
loongson/mirror lain-4.10.36.tar.gz
loongson/mirror lain-4.10.35.tar.gz
loongson/mirror lain-4.10.34.tar.gz
loongson/mirror lain-4.10.33.tar.gz
loongson/mirror lain-4.10.32.tar.gz