Udemy translate & speech

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Udemy translate & speech",
    "description": "A Chrome extension that translates subtitles of Udemy content and reads them out with a synthetic voice.",
    "version": "1.7.0",
    "manifest_version": 3,
    "background": {
        "service_worker": "background.js"
    },
    "permissions": [
        "storage"
    ],
    "action": {
        "default_popup": "action\/popup.html",
        "default_icon": {
            "16": "images\/img16.png",
            "32": "images\/img32.png",
            "48": "images\/img48.png",
            "128": "images\/img128.png"
        }
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/www.udemy.com\/course\/*",
                "https:\/\/*.udemy.com\/course\/*"
            ],
            "js": [
                "content.js"
            ],
            "css": [
                "styles.css"
            ],
            "run_at": "document_end"
        }
    ],
    "icons": {
        "16": "images\/img16.png",
        "32": "images\/img32.png",
        "48": "images\/img48.png",
        "128": "images\/img128.png"
    }
}