Examine source code of React Router Data Viewer

{
  "manifest_version": 2,
  "name": "React Router Data Viewer",
  "version": "1.5.0",
  "description": "A Chrome DevTools extension for viewing React Router v6/v7 and Remix data",
  "devtools_page": "devtools.html",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "devtools"
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{f138d774-4f4d-427a-8a3b-b8f468e61b5d}"
    }
  }
}