Examine source code of CodeXtructor

{
  "manifest_version": 3,
  "name": "CodeXtructor",
  "version": "1.0.0",
  "description": "Extract HTML, CSS and JavaScript from websites with one click",
  "browser_specific_settings": {
    "gecko": {
      "id": "codextructor@hatedfame",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "activeTab",
    "downloads",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "CodeXtructor"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}