Udemy Double Subtitle

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Udemy Double Subtitle",
    "description": "Double Subtitle",
    "version": "1.1.1",
    "icons": {
        "16": "icon.png",
        "48": "icon.png",
        "128": "icon.png"
    },
    "action": {
        "default_popup": "popup.html",
        "default_title": "Udemy Double Subtitle",
        "default_icon": "icon.png"
    },
    "permissions": [
        "tabs",
        "storage"
    ],
    "options_page": "options.html",
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/www.udemy.com\/*"
            ],
            "js": [
                "contentScript.js"
            ],
            "css": [
                "contentScript.css"
            ],
            "run_at": "document_end",
            "all_frames": true
        }
    ]
}