Examine source code of Codex Browser Extension

{
  "manifest_version": 2,
  "name": "Codex Browser Extension",
  "author": "Suvranil",
  "version": "1.0",
  "description": "Codex Browser Extension is a realtime code collaboration platform that supports multiple clients to connect and contribute",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{59475c3e-355a-4cf4-adf0-36d34b4919e0}"
    }
  }
}