qmk_firmware/keyboards/business_card/alpha/info.json

{
    "keyboard_name": "business_card alpha",
    "url": "",
    "maintainer": "kakunpc",
    "width": 3,
    "height": 2,
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"label":"1", "x":0, "y":0},
                {"label":"2", "x":1, "y":0},
                {"label":"3", "x":2, "y":0},
                {"label":"4", "x":0, "y":1},
                {"label":"5", "x":1, "y":1},
                {"label":"6", "x":2, "y":1}
            ]
        }
    }
}