Examine source code of Genius Search

{
  "name": "Genius Search",
  "description": "Add Genius to your search engine",
  "version": "0.0.1",
  "manifest_version": 2,
  "applications": {},
  "icons": {
    "48": "favicon.svg"
  },
  "web_accessible_resources": [
    "favicon.svg"
  ],
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Genius",
      "keyword": "@genius",
      "search_url": "https://genius.com/search?q={searchTerms}"
    }
  }
}