loongson/mirror: links for supercron

loongson/mirror supercron-0.3.2.tar.gz
loongson/mirror supercron-0.3.1.tar.gz
loongson/mirror supercron-0.3.0.tar.gz
loongson/mirror supercron-0.2.2.tar.gz
loongson/mirror supercron-0.2.1.tar.gz
loongson/mirror supercron-0.2.0.tar.gz
loongson/mirror supercron-0.1.2.tar.gz