Examine source code of Ultimate Tab Organizer

{
  "manifest_version": 3,
  "name": "Ultimate Tab Organizer",
  "version": "1.3.1",
  "description": "Organize, manage and categorize your browser tabs efficiently.",
  "permissions": [
    "tabs",
    "storage",
    "scripting"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_icon": {
      "16": "icons/logo16.png",
      "48": "icons/logo48.png",
      "128": "icons/logo128.png"
    }
  },
  "icons": {
    "16": "icons/logo16.png",
    "48": "icons/logo48.png",
    "128": "icons/logo128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5075d206-09c2-4a98-a70f-ab079d87154c}"
    }
  }
}