Examine source code of Search Belt - Christian Search Engine

{
  "name": "Search Belt - Christian Search Engine",
  "description": "Put on the whole armor of God",
  "version": "3.2.3",
  "manifest_version": 2,
  "permissions": [
    "https://searchbelt.com/",
    "https://google.com/",
    "https://cse.google.com/",
    "gcm",
    "storage",
    "notifications",
    "identity"
  ],
  "browser_action": {
    "default_title": "Search Belt",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://searchbelt.com/*"
      ],
      "run_at": "document_start",
      "css": [
        "extension.css"
      ]
    },
    {
      "matches": [
        "https://cse.google.com/*"
      ],
      "run_at": "document_start",
      "css": [
        "search.css"
      ],
      "all_frames": true
    }
  ],
  "icons": {
    "32": "icon32.png",
    "192": "icon192.png"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Search Belt",
      "keyword": "searchbelt.com",
      "search_url": "https://searchbelt.com/web?q={searchTerms}&utm_source=extension&utm_medium=firefox&channel=7755981452",
      "image_url": "https://searchbelt.com/images?q={searchTerms}&utm_source=extension&utm_medium=firefox&channel=7755981452",
      "favicon_url": "https://searchbelt.com/site/uploads/2021/Jul/02/icon192.png",
      "encoding": "UTF-8",
      "is_default": true
    }
  }
}