Examine source code of Qwant Search (Unofficial)

{
  "manifest_version": 2,
  "name": "Qwant Search",
  "short_name": "qwant-search",
  "description": "Adds qwant.com as a search engine.",
  "version": "1.1.0",
  "icons": {
    "96": "icons/96x96.png"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "favicon_url": "https://www.qwant.com/favicon-196.png",
      "is_default": true,
      "keyword": "qs",
      "name": "Qwant Search",
      "search_url": "https://www.qwant.com/",
      "search_url_get_params": "q={searchTerms}",
      "suggest_url": "https://api.qwant.com/api/suggest",
      "suggest_url_get_params": "q={searchTerms}&client=opensearch"
    }
  }
}