qmk_firmware/keyboards/macro3/info.json

{
    "keyboard_name": "Macro3",
    "url": "https://github.com/davidphilipbarr/Macropads/tree/main/macro3",
    "maintainer": "@davidphilipbarr",
    "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},
            ]
        }
    }
}