loongson/pypi: links for micropython-pprint

loongson/mirror micropython-pprint-0.0.4.tar.gz
loongson/mirror micropython-pprint-0.0.3.tar.gz
loongson/mirror micropython-pprint-0.0.2.tar.gz
loongson/mirror micropython-pprint-0.0.1.tar.gz
loongson/mirror micropython-pprint-0.0.0.tar.gz