qmk_firmware/keyboards/keebio/bdn9/info.json

{
  "keyboard_name": "Keeb.io BDN9",
  "url": "",
  "maintainer": "nooges",
  "width": 3,
  "height": 3,
  "layouts": {
    "LAYOUT": {
      "layout": [
        {"x":0, "y":0},
        {"x":1, "y":0},
        {"x":2, "y":0},
        {"x":0, "y":1},
        {"x":1, "y":1},
        {"x":2, "y":1},
        {"x":0, "y":2},
        {"x":1, "y":2},
        {"x":2, "y":2}
      ]
    }
  }
}