Examine source code of nanoQRgenerator

{
  "manifest_version": 2,
  "name": "nanoQRgenerator",
  "version": "1.1",
  "description": "Fastly generate a QR code for the current page.",
  "icons": {
    "64": "64.png",
    "128": "128.png"
  },
  "browser_action": {
    "default_icon": "64.png",
    "default_title": "nanoQRgenerator",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e41bfa9f-ec1c-43bb-b55d-14c3dc6eab73}",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}