Notifier for WhatsApp Web

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "__MSG_appName__",
    "version": "3.0",
    "description": "__MSG_appDesc__",
    "default_locale": "en",
    "permissions": [
        "tabs",
        "scripting"
    ],
    "host_permissions": [
        "https:\/\/web.whatsapp.com\/*"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "action": {
        "default_icon": {
            "19": "images\/19.png",
            "38": "images\/38.png"
        },
        "default_title": "__MSG_openApp__",
        "default_popup": ""
    },
    "icons": {
        "16": "16.png",
        "48": "48.png",
        "128": "128.png"
    }
}