Examine source code of KeyGuard Web Secure

{
  "manifest_version": 2,
  "name": "KeyGuard Web Secure",
  "version": "1.0.0",
  "description": "Browse safely with KeyGuard Web Secure. Effortlessly filter out inappropriate content for a secure and efficient online experience",
  "icons": {
    "16": "assets/icons/16x16.png",
    "96": "assets/icons/96x96.png",
    "128": "assets/icons/128x128.png"
  },
  "author": "FireArc",
  "homepage_url": "https://www.keyguard-websecure.com/",
  "permissions": [
    "cookies",
    "storage",
    "*://*.keyguard-websecure.com/*"
  ],
  "browser_action": {
    "default_icon": {
      "16": "assets/icons/16x16.png"
    },
    "default_title": "KeyGuard Web Secure",
    "default_popup": "popup.html"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "KeyGuard",
      "keyword": "KeyGuard",
      "search_url": "https://searching.keyguard-websecure.com/query/to?&q={searchTerms}",
      "favicon_url": "http://www.keyguard-websecure.com/wp-content/uploads/2024/01/Favicon.png",
      "suggest_url": "https://suggesting.keyguard-websecure.com?q={searchTerms}",
      "search_url_post_params": "",
      "suggest_url_post_params": "",
      "encoding": "UTF-8",
      "is_default": true
    }
  },
  "background": {
    "page": "main.js",
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0f9c5bce-c33a-4428-aa6d-bea42ff8d941}"
    }
  }
}