Examine source code of 123 Multi-Highlight PRO

{
  "browser_specific_settings": {
    "gecko": {
      "id": "begjjnkmpjhpleiefokjhfenionaffkn@titanplugins.com"
    }
  },
  "name": "123 Multi-Highlight PRO",
  "description": "Search and highlight multiple words and sentences on web pages with professional precision.",
  "version": "2.0.1",
  "manifest_version": 3,
  "scripts": [
    "background.js"
  ],
  "action": {
    "default_title": "123 Multi-Highlight PRO",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "/icons/app_icon.svg",
      "48": "/icons/app_icon.svg",
      "128": "/icons/app_icon.svg"
    }
  },
  "icons": {
    "128": "/icons/app_icon.svg"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "tabs"
  ],
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+S"
      }
    }
  }
}