Examine source code of TypeAI

{
  "manifest_version": 3,
  "name": "TypeAI",
  "version": "1.1",
  "description": "Generate text using Chat GPT on every website",
  "browser_specific_settings": {
    "gecko": {
      "id": "typeai@ldev.in"
    }
  },
  "icons": {
    "48": "icons/logo.png",
    "96": "icons/logo-96.png"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "storage"
  ],
  "action": {
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "browser-polyfill.js",
        "typeai.js"
      ],
      "run_at": "document_start"
    }
  ]
}