Examine source code of Smart Tab Group

{
  "manifest_version": 3,
  "name": "Smart Tab Groups",
  "version": "1.0",
  "description": "This addon automatically groups tabs based on their domain or user-defined keywords, making it easier to manage a large number of open tabs. Users can save and restore groups, switch between them quickly, and collapse/expand groups to declutter the tab bar. It also provides a search function within groups.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "smart_tab_groups.png"
  },
  "icons": {
    "128": "smart_tab_groups.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "giuseppe8weilerwvk742@hotmail.com"
    }
  }
}