Examine source code of fullWidthChatGPT

{
  "manifest_version": 2,
  "name": "Full Width ChatGPT",
  "version": "1.1",
  "description": "Adjusts the CSS of ChatGPT to utilize full width.",
  "homepage_url": "https://github.com/Bischtinius/fullWidthChatGPT",
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "*://chat.openai.com/*"
  ],
  "browser_action": {
    "default_icon": {
      "48": "icons/fullWidthChatGPT_off.png"
    },
    "default_title": "fullWidthChatGPT"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icons/fullWidthChatGPT_on.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{98ee0dcc-0ff9-4ed7-9dbc-dcb96e9644e9}"
    }
  }
}