qmk_firmware/keyboards/ploopyco/trackball_nano/info.json

{
    "keyboard_name": "Trackball Nano",
    "manufacturer": "PloopyCo",
    "url": "www.ploopy.co",
    "maintainer": "ploopyco",
    "usb": {
        "vid": "0x5043",
        "pid": "0x54A3",
        "device_version": "0.0.1"
    },
     "layouts": {
        "LAYOUT": {
            "layout": [
                {"x":0, "y":0}
            ]
        }
    }
}