data.json

[
  {
    "id": 1,
    "name": "Table",
    "items": [
      { "id": 3, "name": "Bar Table" },
      { "id": 4, "name": "Dining" },
      { "id": 5, "name": "Coffee Table" }
    ]
  },
  {
    "id": 2,
    "name": "Chairs",
    "items": [
      {
        "id": 6,
        "name": "High Chair",
        "items": [{ "id": 11, "name": "Foldable" }]
      },
      { "id": 7, "name": "Bar Stool" },
      {
        "id": 8,
        "name": "Office Chairs",
        "items": [
          {
            "id": 9,
            "name": "Executive"
          },
          { "id": 10, "name": "Balance" }
        ]
      }
    ]
  }
]