Examine source code of Bookmark Sorter

{
  "manifest_version": 3,
  "name": "Bookmark Sorter",
  "version": "1.0.1",
  "description": "Sorts bookmarks in the toolbar based on how frequently you use them.",
  "permissions": [
    "storage",
    "webNavigation",
    "bookmarks"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmark_sorter@nodomain1.com"
    }
  },
  "background": {
    "scripts": [
      "dist/background.bundle.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon.svg",
      "48": "icon.svg",
      "128": "icon.svg"
    }
  },
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "icon.svg",
    "48": "icon.svg",
    "128": "icon.svg"
  }
}