Examine source code of Bookmark Domain Sort

{
  "manifest_version": 3,
  "name": "Bookmark Domain Prefix + Segment Sort",
  "version": "1.0.1",
  "description": "Prefixes bookmark titles with their domain and optionally sorts bookmarks within separator-bounded segments.",
  "permissions": [
    "bookmarks",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmark-domain-sort@local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_title": "Bookmark Domain Prefix",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}