qmk_firmware/keyboards/hub20/info.json

{
    "keyboard_name": "Hub20",
    "keyboard_folder": "hub20",
    "url": "https://github.com/joshajohnson/hub20",
    "maintainer": "joshajohnson",
    "width": 4,
    "height": 6,
    "layouts": {
      "LAYOUT_all": {
        "layout": [
          {"label":"Mute", "x":0.5, "y":0},
          {"label":"Play / Pause", "x":2.5, "y":0},
          {"label":"-", "x":0, "y":1},
          {"label":"*", "x":1, "y":1},
          {"label":"/", "x":2, "y":1},
          {"label":"Numlock", "x":3, "y":1},
          {"label":"+", "x":0, "y":2},
          {"label":"7", "x":1, "y":2},
          {"label":"8", "x":2, "y":2},
          {"label":"9", "x":3, "y":2},
          {"label":"+", "x":0, "y":3},
          {"label":"4", "x":1, "y":3},
          {"label":"5", "x":2, "y":3},
          {"label":"6", "x":3, "y":3},
          {"label":"Enter", "x":0, "y":4},
          {"label":"1", "x":1, "y":4},
          {"label":"2", "x":2, "y":4},
          {"label":"3", "x":3, "y":4},
          {"label":"Enter", "x":0, "y":5},
          {"label":".", "x":1, "y":5},
          {"label":"0", "x":2, "y":5},
          {"label":"0", "x":3, "y":5}
        ]
      }
    }
}