Examine source code of MyNixOS Search Engine

{
  "manifest_version": 2,
  "name": "MyNixOS Search Engine",
  "description": "Adds MyNixOS search engine",
  "version": "1.0",
  "author": "Kiara Grouwstra",
  "homepage_url": "https://github.com/KiaraGrouwstra/firefox-mynixos-extension",
  "developer": {
    "name": "Kiara Grouwstra",
    "url": "https://github.com/KiaraGrouwstra"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "MyNixOS",
      "search_url": "https://mynixos.com/search?q={searchTerms}",
      "keyword": "@mynixos",
      "favicon_url": "https://nixos.org/favicon.ico",
      "is_default": false,
      "encoding": "UTF-8"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e08dcdcf-4625-44bf-9d92-d8f1a303cbee}"
    }
  }
}