Examine source code of Tidy Bookmarks

{
  "manifest_version": 3,
  "name": "Tidy Bookmarks",
  "author": "Sebastian Nickels",
  "version": "1.0",
  "description": "Automatically deletes bookmarks older than a specified number of days.",
  "permissions": [
    "bookmarks",
    "storage",
    "alarms"
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "options_ui": {
    "page": "popup.html",
    "open_in_tab": true
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icons/icon-48.png"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tidy-bookmarks@snickels.io",
      "strict_min_version": "109.0"
    }
  }
}