loongson/mirror: links for pottersay

loongson/mirror pottersay-0.1.4.tar.gz
loongson/mirror pottersay-0.1.3.tar.gz
loongson/mirror pottersay-0.1.2.tar.gz
loongson/mirror pottersay-0.1.1.tar.gz
loongson/mirror pottersay-0.1.tar.gz