Examine source code of Bookmark Organizer

{
  "manifest_version": 2,
  "name": "Bookmark Organizer",
  "version": "1.0",
  "description": "Organize and manage your bookmarks easily.",
  "permissions": [
    "bookmarks"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Bookmark Organizer"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4618c77f-191f-4bc2-84a4-eb76977a5a9e}"
    }
  }
}