loongson/pypi: links for datatops

loongson/mirror datatops-0.3.1.tar.gz
loongson/mirror datatops-0.3.0.tar.gz
loongson/mirror datatops-0.2.2.tar.gz
loongson/mirror datatops-0.2.0.tar.gz
loongson/mirror datatops-0.1.0.tar.gz