Examine source code of Recherche tirexo

{
  "name": "Recherche tirexo",
  "author": "Hoax",
  "version": "2021.7.31",
  "description": "Moteur de recherche pour tirexo.",
  "icons": {
    "16": "favicon.ico",
    "48": "favicon.ico",
    "128": "favicon.ico"
  },
  "manifest_version": 2,
  "omnibox": {
    "keyword": "tirexo"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "favicon_url": "https://www2.tirexo.work/icones/apple-touch-icon.png",
      "is_default": false,
      "keyword": "tirexo.work",
      "name": "tirexo",
      "search_url": "https://www2.tirexo.work/index.php",
      "search_url_post_params": "do=search&subaction=search&user_hash=%7Buser_hash%7D&story={searchTerms}"
    }
  },
  "options_ui": {
    "page": "html/options.html"
  }
}