Examine source code of Codeforces contests

{
  "name": "Codeforces contests",
  "description": "Extension for cf contest details",
  "version": "1.0.1",
  "manifest_version": 3,
  "action": {
    "default_popup": "index.html",
    "default_title": "cf-contests"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "adityapratapsingh33@outlook.com"
    }
  }
}