Examine source code of ChatGPT Navigator

{
  "manifest_version": 2,
  "name": "ChatGPT Navigator",
  "version": "1.0.2",
  "description": "Navigate long ChatGPT conversations with a sidebar showing all your prompts",
  "permissions": [
    "activeTab",
    "*://chat.openai.com/*",
    "*://chatgpt.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://chat.openai.com/*",
        "*://chatgpt.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "ChatGPT Navigator"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "chatgpt-navigator-firefox@addon.royalp",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}