loongson/pypi: links for pennpaper

loongson/mirror pennpaper-0.15.tar.gz
loongson/mirror pennpaper-0.15-py3-none-any.whl
loongson/mirror pennpaper-0.13.tar.gz
loongson/mirror pennpaper-0.13-py3-none-any.whl
loongson/mirror pennpaper-0.11.tar.gz
loongson/mirror pennpaper-0.11-py3-none-any.whl