Examine source code of Grok Search

{
  "manifest_version": 2,
  "name": "Grok Search",
  "description": "Adds Grok as search engine.",
  "version": "1.0",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "128": "icon-48.png"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Grok",
      "search_url": "https://grok.com/?q={searchTerms}",
      "keyword": "!g, @grok",
      "favicon_url": "https://grok.com/images/favicon-dark.png",
      "is_default": true,
      "encoding": "UTF-8"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "68.0",
      "id": "{d4093f87-079a-4733-8f85-35fea86a70c4}"
    }
  }
}