[
  {
    "id": 1,
    "name": "Applications",
    "children": [
      {"id": 2, "name": "Calendar"},
      {"id": 3, "name": "Chrome"},
      {"id": 4, "name": "Webstorm"}
    ]
  },
  {
    "id": 5,
    "name": "Documents",
    "children": [
      {"id": 6, "name": "vuetify"},
      {"id": 10, "name": "material2"}
    ]
  },
  {
    "id": 15,
    "name": "Downloads",
    "children": [
      {"id": 16, "name": "October"},
      {"id": 17, "name": "November"},
      {"id": 18, "name": "Tutorial"}
    ]
  },
  {
    "id": 19,
    "name": "Videos",
    "children": [
      {"id": 20, "name": "Tutorials"},
      {"id": 24, "name": "Intro"},
      {"id": 25, "name": "Conference introduction"}
    ]
  }
]