Examine source code of Quick Notes

{
  "manifest_version": 2,
  "name": "Quick Notes",
  "version": "1.0",
  "description": "Ghi chú nhanh ngay trong trình duyệt Firefox.",
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Quick Notes"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5050437d-9388-408b-9947-1e9b3dffbe96}"
    }
  }
}