format json to display in cli or html

 tag

###install
npm install formatjson
###example
var formatjson=require("../lib/index.js")
var jj={
    "aa":{
        "bb":"cc",
        "dd":['1','2','3'],
        "ee":true,
        "kk":[
        {
            aaa:"aaa",
            bbbb:"bbbb"
        }
        ]
    },
    "aa2":"bb2",
    "null":null,
    "number":13123
}
console.log(formatjson(jj));


will display like this:
{
  aa:{
    bb:"cc",
    dd:[
      "1",
      "2",
      "3"
    ],
    ee:true,
    kk:[
      {
        aaa:"aaa",
        bbbb:"bbbb"
      }
    ]
  },
  aa2:"bb2",
  null:null,
  number:13123
}