manifest.json

{
    "manifest_version": 2,
    "minimum_chrome_version": "38",
    "version": "0.0.1",
    "author": "Several",
    "name": "ARDUPILOT - Configurator",
    "short_name": "ARDUPILOT",
    "description": "Crossplatform configuration tool for ARDUPILOT flight control system",

    "offline_enabled": true,

    "default_locale": "en",

    "app": {
        "background": {
            "scripts": ["eventPage.js"],
            "persistent": false
        }
    },

    "sandbox": {
    "pages": ["tabs/map.html"]
    },
         
    "permissions": [
        "https://www.google-analytics.com/",
        "https://maps.googleapis.com/*",    
        "https://*.github.com/",
        "https://*.githubusercontent.com/",
        "https://*.amazonaws.com/",
        "https://dev.virtualearth.net/",
        "serial",
        "usb",
        "storage",
        "fileSystem",
        "fileSystem.write",
        "fileSystem.retainEntries",
        "notifications",
        "alwaysOnTopWindows",
        {"usbDevices": [
            {"vendorId": 1155, "productId": 57105}
        ]}//,
        //"chrome-extension://*" //https://nwjs.readthedocs.io/en/latest/For%20Users/Debugging%20with%20DevTools/
    ],
    "sockets": {
        "tcp": {
            "connect": "*:*"
        }
    },

    "icons": {
        "128": "images/ARDUPILOT_icon_128.png"
    }
}