Examine source code of ChatGPT Pro Tools

{
  "manifest_version": 3,
  "name": "ChatGPT Pro Tools",
  "description": "Chat pinning 📌 Copy full conversation 📋 Export chat to TXT 📄 and more features to boost your productivity ✨",
  "version": "1.2.1",
  "content_scripts": [
    {
      "matches": [
        "https://chatgpt.com/*"
      ],
      "js": [
        "fetchIntercept.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "https://chatgpt.com/*"
      ],
      "js": [
        "contentScript.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "icons/favicon-16.png",
    "32": "icons/favicon-32.png",
    "48": "icons/favicon-48.png",
    "128": "icons/favicon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "chat-gpt-pro-tools@extension.com"
    }
  }
}