qmk_firmware/keyboards/pabile/p20/ver1/info.json

{
    "keyboard_name": "P20 ver1",
    "usb": {
        "device_version": "0.0.1"
    },
    "encoder": {
        "rotary": [
            {"pin_a": "F5", "pin_b": "F6"},
            {"pin_a": "F7", "pin_b": "B1"}
        ]
    },
    "processor": "atmega32u4",
    "bootloader": "caterina"
}