loongson/pypi: links for json-leaves

loongson/mirror json-leaves-1.2.2.tar.gz
loongson/mirror json-leaves-1.2.1.tar.gz
loongson/mirror json-leaves-1.2.0.tar.gz
loongson/mirror json-leaves-1.1.0.tar.gz
loongson/mirror json-leaves-1.0.0.tar.gz