Examine source code of GoodbyeX

{
  "name": "GoodbyeX",
  "version": "1.0.9",
  "description": "A simple extension that removes the new \"X\" branding from Twitter.",
  "manifest_version": 2,
  "icons": {
    "16": "images/favicon-16x16.png",
    "32": "images/favicon-32x32.png",
    "512": "images/logo.png"
  },
  "permissions": [
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*",
        "https://*.twitter.com/*",
        "https://*.twimg.com/*",
        "https://x.com/*",
        "https://*.x.com/*"
      ],
      "js": [
        "script.js"
      ],
      "css": [],
      "run_at": "document_start"
    }
  ],
  "homepage_url": "https://twitter.com/MaxFNBR",
  "browser_specific_settings": {
    "gecko": {
      "id": "goodbyex@mcthe.dev"
    }
  }
}