Examine source code of Linkhut Companion

{
  "manifest_version": 3,
  "name": "Linkhut Companion",
  "description": "Save bookmarks to linkhut",
  "version": "0.4.1",
  "homepage_url": "https://github.com/pyrho/linkhut-webextension",
  "icons": {
    "48": "icons/icon.svg"
  },
  "permissions": [
    "activeTab",
    "identity",
    "storage"
  ],
  "host_permissions": [
    "*://api.ln.ht/*"
  ],
  "action": {
    "default_icon": "icons/icon.svg",
    "default_title": "Linkhut",
    "default_popup": "popup/popup.html"
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "linkhut-companion@ln.ht",
      "strict_min_version": "109.0"
    }
  }
}