loongson/pypi: links for promptsource

loongson/mirror promptsource-0.2.3.tar.gz
loongson/mirror promptsource-0.2.2.tar.gz
loongson/mirror promptsource-0.2.1.tar.gz
loongson/mirror promptsource-0.2.0.tar.gz
loongson/mirror promptsource-0.1.0.tar.gz