Examine source code of search-gearslutz

{
  "manifest_version": 2,
  "name": "search-gearslutz",
  "version": "0.0.1",
  "author": "Jirka Justra",
  "description": "Search engine for www.gearslutz.com",
  "applications": {
    "gecko": {
      "id": "search-gearslutz@jirka-justra.cz"
    }
  },
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Gearslutz",
      "search_url": "https://www.gearslutz.com/board/search.php?q={searchTerms}",
      "keyword": "gears",
      "favicon_url": "https://static.gearslutz.com/favicon.ico"
    }
  }
}