loongson/pypi: links for sp-diffjsonp

loongson/mirror sp_DiffJsonP-0.4.tar.gz
loongson/mirror sp_DiffJsonP-0.4-py3-none-any.whl
loongson/mirror sp_DiffJsonP-0.3.tar.gz
loongson/mirror sp_DiffJsonP-0.3-py3-none-any.whl
loongson/mirror sp_DiffJsonP-0.2.tar.gz
loongson/mirror sp_DiffJsonP-0.2-py3-none-any.whl