Examine source code of Cactus 2000

{
  "manifest_version": 2,
  "name": "Cactus 2000",
  "description": "Adds a search engine that searches Cactus 2000",
  "version": "1.0",
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Cactus 2000",
      "search_url": "https://conjf.cactus2000.de/showverb.php?verb={searchTerms}",
      "keyword": "cactus",
      "favicon_url": "https://www.cactus2000.de/favicon.ico",
      "is_default": false,
      "encoding": "UTF-8"
    }
  }
}