Examine source code of ChatGPT Extended

{
  "manifest_version": 3,
  "name": "ChatGPT Extended",
  "version": "1.1",
  "description": "Add extended functionality and prompt managing to ChatGPT",
  "author": "TherioJunior",
  "browser_specific_settings": {
    "gecko": {
      "id": "chatgpt-extended@theriojunior.dev",
      "strict_min_version": "109.0"
    }
  },
  "homepage_url": "https://gitlab.com/TherioJunior/chatgpt-extended",
  "icons": {
    "128": "icon/icon128.png"
  },
  "permissions": [
    "webNavigation",
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/*"
      ],
      "js": [
        "content.js",
        "popup/popup.js"
      ],
      "css": [
        "popup/popup.css",
        "content.css"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "popup/popup.html"
      ],
      "matches": [
        "https://chat.openai.com/*"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "48": "icons/icon.png"
    },
    "default_popup": "popup/popup.html"
  }
}