Examine source code of React Developer Tools

{
  "manifest_version": 2,
  "name": "React Developer Tools",
  "version": "1.0.0",
  "description": "Minimal AMO‑safe React Developer Tools placeholder extension (2025).",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "React Developer Tools"
  },
  "devtools_page": "devtools.html",
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "react-devtools-2zomqe@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}