Examine source code of Meta Random Search

{
  "name": "Meta Random Search",
  "description": "Randomly use a different search engine for each search query",
  "version": "1.0.0.6",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "32": "images/meta-random-search-icon-32px.png",
    "128": "images/meta-random-search-icon-128px.png"
  },
  "omnibox": {
    "keyword": "ars"
  },
  "manifest_version": 2,
  "author": "Software Journey",
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Meta Random Search",
      "keyword": "random.softwarejourney.net",
      "search_url": "https://meta.softwarejourney.net/search#{searchTerms}",
      "favicon_url": "https://meta.softwarejourney.net/favicon.ico",
      "encoding": "UTF-8",
      "is_default": true
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{575cba0e-83be-4086-a90c-88a1cd897f5e}"
    }
  }
}