qmk_firmware_custom/keyboards/amjpad/info.json

{
  "keyboard_name": "AMJ Pad", 
  "url": "", 
  "maintainer": "qmk", 
  "bootloader": "", 
  "width": 4, 
  "height": 6, 
  "layouts": {
    "LAYOUT": {
      "layout": [{"x":0, "y":0}, {"x":1, "y":0}, {"x":2, "y":0}, {"x":3, "y":0}, {"x":0, "y":1}, {"x":1, "y":1}, {"x":2, "y":1}, {"x":3, "y":1}, {"x":0, "y":2}, {"x":1, "y":2}, {"x":2, "y":2}, {"x":3, "y":2, "h":2}, {"x":0, "y":3}, {"x":1, "y":3}, {"x":2, "y":3}, {"x":0, "y":4}, {"x":1, "y":4}, {"x":2, "y":4}, {"x":3, "y":4, "h":2}, {"x":0, "y":5, "w":2}, {"x":2, "y":5}]
    }
  }
}