Sauron - Dark mode for all websites

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Sauron - Dark mode for all websites",
    "version": "1.3.4.3",
    "author": "Rishabh Maheshwari",
    "description": "Beautiful dark mode for all websites. Protect your eyes when you surf in dark enviroments.",
    "browser_action": {
        "default_popup": "popup.html"
    },
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png",
        "128": "icon128.png"
    },
    "background": {
        "scripts": [
            "background.js"
        ],
        "persistent": false
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "run_at": "document_start",
            "all_frames": true,
            "js": [
                "jquery-3.3.1.min.js",
                "mutation-summary.js",
                "sauron-library.js",
                "imagesloaded.pkgd.min.js",
                "content.js"
            ]
        }
    ],
    "permissions": [
        "activeTab",
        "storage"
    ]
}