loongson/pypi: links for dataflow

loongson/mirror dataflow-0.11.2.tar.gz
loongson/mirror dataflow-0.11.1.tar.gz
loongson/mirror dataflow-0.10.6.tar.gz
loongson/mirror dataflow-0.10.3.tar.gz
loongson/mirror dataflow-0.10.2.tar.gz