Examine source code of Keyword Suggestion Tool

{
  "manifest_version": 3,
  "name": "Google Suggest Tool",
  "version": "4.0",
  "description": "A sleek and modern browser extension for Google Suggest Tool users.",
  "permissions": [
    "storage",
    "notifications",
    "alarms"
  ],
  "host_permissions": [
    "https://www.evjaj.com/*",
    "https://suggestqueries.google.com/*",
    "https://www.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "js/jquery-3.6.0.min.js",
        "js/select2.min.js",
        "css/select2.min.css",
        "js/modules/*.js",
        "css/styles.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src 'self' https://www.evjaj.com https://suggestqueries.google.com https://www.google.com"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "keyword-suggestion-tool@evjaj.com",
      "strict_min_version": "109.0"
    }
  }
}