Use Python tool to beautify JSON into unminified /json file

build/build.sh

 #!/bin/bash
 
 mkdir -p ../json
-node md2json.js ../README.md > ../json/api.json
+node md2json.js ../README.md > ../json/api.min.json
+python -m json.tool ../json/api.min.json > ../json/api.json
 cat ../json/api.json
-ls -l ..
-ls -l ../json