Volume Master

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "__MSG_app_name__",
    "description": "__MSG_app_description__",
    "default_locale": "en",
    "version": "2.2.0",
    "icons": {
        "16": "icon\/icon-16.png",
        "32": "icon\/icon-32.png",
        "48": "icon\/icon-48.png",
        "128": "icon\/icon-128.png"
    },
    "action": {
        "default_icon": {
            "19": "icon\/icon-19.png",
            "38": "icon\/icon-38.png"
        },
        "default_popup": "html\/popup.html",
        "default_title": "__MSG_app_name__"
    },
    "background": {
        "service_worker": "js\/service-worker.js"
    },
    "permissions": [
        "activeTab",
        "offscreen",
        "tabCapture",
        "tabs",
        "storage"
    ]
}