qmk_firmware/keyboards/zfrontier/big_switch/info.json

{
    "keyboard_name": "Red Comet Big Switch",
    "url": "https://en.zfrontier.com/products/redcomet-bigswitch-combo",
    "maintainer": "carlxia",
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"x": 0, "y": 0, "w": 4, "h": 4}
            ]
        }
    }
}