loongson/mirror: links for shadowseal

loongson/mirror shadowseal-2.1.0.tar.gz
loongson/mirror shadowseal-2.0.0.tar.gz
loongson/mirror shadowseal-1.0.5.tar.gz
loongson/mirror shadowseal-1.0.4.tar.gz
loongson/mirror shadowseal-1.0.3.tar.gz
loongson/mirror shadowseal-1.0.2.tar.gz
loongson/mirror shadowseal-1.0.0.tar.gz