Config for enabling torch with Html5QrcodeScanner

html5_qrcode.torch.js

let html5QrcodeScanner = new Html5QrcodeScanner(
    "reader",
    {
        fps: 10,
        qrbox: {width: 250, height: 250},
        rememberLastUsedCamera: true,
        aspectRatio: 1.7777778,
        showTorchButtonIfSupported: true
    });