loongson/pypi: links for json-minify

loongson/mirror JSON_minify-0.3.0.tar.gz
loongson/mirror JSON_minify-0.3.0-py2.py3-none-any.whl
loongson/mirror JSON_minify-0.2.1-py2.py3-none-any.whl
loongson/mirror JSON_minify-0.2.0.tar.gz