Examine source code of Twitter-Debloat

{
  "manifest_version": 2,
  "name": "Twitter-Debloat",
  "version": "1.0",
  "description": "Removes undesirable tabs from twitter (Grok, premium, subscribe...)",
  "icons": {
    "48": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.x.com/*"
      ],
      "js": [
        "twitter-debloat.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d839b751-bab5-4b5a-983d-684b471c08bf}"
    }
  }
}