Examine source code of NotebookLM to PDF

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "version": "4.3.0",
  "icons": {
    "16": "icon/icon-16.png",
    "32": "icon/icon-32.png",
    "48": "icon/icon-48.png",
    "96": "icon/icon-96.png",
    "128": "icon/icon-128.png"
  },
  "default_locale": "en",
  "permissions": [
    "tabs",
    "downloads",
    "debugger",
    "storage",
    "https://notebooklm.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "NotebookLM to PDF - Export Chat History",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://notebooklm.google.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9856f3eb-81bf-4fea-a3ab-02aa4ced672f}"
    }
  }
}