qmk/keyboards/3by2/keymaps/via/vial.json

{
    "name": "3by2",
    "vendorId": "0xEEEE",
    "productId": "0x2019",
    "lighting": "none",
    "matrix": {
        "rows": 2,
        "cols": 3
    },
    "layouts": {
        "keymap": [
            [
                "0,0",
                "0,1",
                "0,2"
            ],
            [
                "1,0",
                "1,1",
                "1,2"
            ]
        ]
    }
}