Volume control

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "__MSG_app_name__",
    "description": "__MSG_app_description__",
    "version": "1.0",
    "default_locale": "zh_CN",
    "permissions": [
        "tabs",
        "storage",
        "tabCapture",
        "offscreen"
    ],
    "icons": {
        "16": "icons\/icon16.png",
        "48": "icons\/icon48.png",
        "128": "icons\/icon128.png"
    },
    "action": {
        "default_icon": {
            "16": "icons\/icon16.png",
            "48": "icons\/icon48.png"
        },
        "default_popup": "html\/popup.html"
    },
    "background": {
        "service_worker": "js\/service-worker.js"
    }
}