Examine source code of NPM Search

{
  "manifest_version": 2,
  "name": "Node Package Manager NPM Search",
  "version": "0.0.2",
  "description": "Search Node Package Manager from URL bar",
  "icons": {
    "64": "icons/npm64.png"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "NPM packages",
      "search_url": "https://www.npmjs.com/search?q={searchTerms}",
      "favicon_url": "https://static.npmjs.com/f1786e9b7cba9753ca7b9c40e8b98f67.png",
      "keyword": "npm"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4af824b8-58e5-47c6-8660-7ed4d1e56e52}",
      "strict_min_version": "55.0"
    }
  }
}