manifest.json

{
    "name": "OldTweetDeck",
    "description": "Returns old TweetDeck, for free!",
    "version": "3.5.0",
    "manifest_version": 2,
    "homepage_url": "https://github.com/dimdenGD/OldTweetDeck",
    "permissions": [
        "webRequest",
        "webRequestBlocking",
        "webNavigation",
        "https://twitter.com/*",
        "https://tweetdeck.twitter.com/*",
        "https://abs.twimg.com/*",
        "https://api.twitter.com/*",
        "https://upload.twitter.com/*",
        "https://tweetdeck.com/"
    ],
    "background": {
        "scripts": ["src/background.js"]
    },
    "content_security_policy": "script-src 'self' 'unsafe-eval' 'sha256-vz0XsA5U2ov/IPVAcEjtJSUhN5adsDcDEmHhYZsOyrI='; object-src 'self'",
    "web_accessible_resources": ["images/*", "files/*", "src/*", "sandbox.html"],
    "icons": {
        "16": "/images/logo16.png",
        "32": "/images/logo32.png",
        "48": "/images/logo48.png",
        "128": "/images/logo128.png"
    },
    "content_scripts": [
        {
            "matches": ["https://twitter.com/i/tweetdeck"],
            "js": ["src/notifications.js", "src/injection.js"],
            "all_frames": true,
            "run_at": "document_start"
        }
    ]
}