loongson/pypi: links for pandapay

loongson/mirror pandapay-0.0.1.dev3.tar.gz
loongson/mirror pandapay-0.0.1.dev2.tar.gz
loongson/mirror pandapay-0.0.1.dev1.tar.gz
loongson/mirror pandapay-0.0.1.dev0.tar.gz