Examine source code of UI Cloner

{
  "manifest_version": 3,
  "name": "UI Cloner",
  "version": "0.1.0",
  "description": "Capture a page and export a best-effort cloned website ZIP.",
  "permissions": [
    "activeTab",
    "downloads",
    "scripting",
    "storage",
    "tabs",
    "webNavigation"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "page": "background/firefox-background.html"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "UI Cloner"
  },
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{6e7a4272-8ddf-4658-b1fb-b1011e5225a9}",
      "strict_min_version": "121.0"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "shared/browser-api.js",
        "shared/*.js",
        "content/*.js",
        "offscreen/*.js",
        "lib/*.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}