Examine source code of Never Ending ChatGPT

{
  "manifest_version": 2,
  "name": "Never Ending GPT",
  "version": "1.2.1",
  "description": "Auto presses the 'Show more' button in ChatGPT's sidebar to load all previous chats.",
  "icons": {
    "48": "icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/chat",
        "https://chat.openai.com/chat/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "48": "icon.svg"
    },
    "default_popup": "popup.html",
    "default_title": "About Extension"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4e6c2260-3fde-4c18-8d93-09b3343c1397}"
    }
  }
}