Get Percentage of completion in udemy courses

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Get Percentage of completion in udemy courses",
    "version": "0.1.5",
    "description": "This extension helps to know completed percentage of each courses in udemy home page `https:\/\/www.udemy.com\/organization\/home\/`",
    "content_scripts": [
        {
            "css": [
                "styles.css"
            ],
            "js": [
                "content.js"
            ],
            "matches": [
                "https:\/\/*.udemy.com\/*"
            ]
        }
    ],
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png",
        "128": "icon128.png"
    }
}