qmk_firmware/keyboards/ckeys/thedora/info.json

{
  "keyboard_name": "The Dora Board.",
  "url": "https://ckeys.org/slides/exboard",
  "maintainer": "brandenbyers",
  "width": 4,
  "height": 4,
  "layouts": {
    "LAYOUT_ortho_4x5": {
      "key_count": 20,
      "layout": [{"x":0, "y":0}, {"x":1, "y":0}, {"x":2, "y":0}, {"x":3, "y":0}, {"x": 4, "y":0},
                 {"x":0, "y":1}, {"x":1, "y":1}, {"x":2, "y":1}, {"x":3, "y":1}, {"x":4, "y":1},
                 {"x":0, "y":2}, {"x":1, "y":2}, {"x":2, "y":2}, {"x":3, "y":2}, {"x":4, "y":2},
                 {"x":0, "y":3}, {"x":1, "y":3}, {"x":2, "y":3}, {"x":3, "y":3}, {"x":4, "y":3}]
    }
  }
}