Examine source code of GPT Code helper

{
  "manifest_version": 2,
  "version": "0.0.9",
  "author": "Francisco Cerdán",
  "name": "GPT Code helper",
  "description": "A ChatGPT extension to help with code prompts",
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "permissions": [],
  "optional_permissions": [
    "https://chat.openai.com/*"
  ],
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fefa5bcd-bdf9-4495-bc82-0fa326ae7651}"
    }
  }
}