input >>
             [
                  {
                    "key1": "Harry",
                    "key2": "john",

                  },
                   {
                    "key1": "Ram",
                    "key2": "Sam",

                  }
                ]

const arr = [
                  {
                    "key1": "Harry",
                    "key2": "john",

                  },
                   {
                    "key1": "Ram",
                    "key2": "Sam",

                  }
                ];
             let res = arr.flatMap(x => (Object.entries(x).map(([k,v]) => ({title:k,values:v,type:"generic"}))));
               console.log(res);


          output >>
             [
                    {
                      "title": "key1",
                      "values": "Harry"
                      "type": "generic",

                    },
                    {
                      "title": "key2",
                      "values": "john",
                      "type": "generic",

                    },
                    {
                      "title": "key1",
                      "values": "Ram"
                      "type": "generic",

                    },
                    {
                      "title": "Key2",
                      "values": "Sam",
                      "type": "generic",

                    },
                  ]

Expected Output>>
  [
  {
    "title": "key1",
    "values": "Harry",
    "type": "generic"
  },
  {
    "title": "key2",
    "values": "john",
    "type": "generic"
  },
  {
    "title": "title1",
    "values": "value1",
    "type": "type1"
  },
  {
    "title": "title2",
    "values": "value2",
    "type": "type2"
  },
  {
    "title": "key1",
    "values": "Ram",
    "type": "generic"
  },
  {
    "title": "Key2",
    "values": "Sam",
    "type": "generic"
  },
  {
    "title": "title1",
    "values": "value1",
    "type": "type1"
  },
  {
    "title": "title2",
    "values": "value2",
    "type": "type2"
  }
]