loongson/pypi: links for postpic

loongson/mirror postpic-0.5.tar.gz
loongson/mirror postpic-0.4.tar.gz
loongson/mirror postpic-0.3.1.tar.gz
loongson/mirror postpic-0.3.tar.gz
loongson/mirror postpic-0.2.3.tar.gz
loongson/mirror postpic-0.2.2.tar.gz
loongson/mirror postpic-0.2.0.tar.gz
loongson/mirror postpic-0.1.2.tar.gz
loongson/mirror postpic-0.0.1.tar.gz