oc-flasher/static/manifests/oc_pcb.json

{
    "name": "OrangeClock PCB",
    "builds": [
        {
            "chipFamily": "ESP32-S3",
            "parts": [
                {
                    "path": "/firmwares/orangeclock_29epd.bin",
                    "offset": 0
                }
            ]
        }
    ]
}