Examine source code of Best WordPress Tools

{
  "manifest_version": 3,
  "name": "__MSG_app_name__",
  "description": "__MSG_app_description__",
  "version": "1.0.6",
  "default_locale": "en",
  "icons": {
    "16": "img/best-wp-tools-16.png",
    "32": "img/best-wp-tools-32.png",
    "48": "img/best-wp-tools-48.png",
    "128": "img/best-wp-tools-128.png"
  },
  "action": {
    "default_popup": "html/home.html",
    "default_icon": {
      "16": "img/best-wp-tools-16.png",
      "32": "img/best-wp-tools-32.png",
      "48": "img/best-wp-tools-48.png",
      "128": "img/best-wp-tools-128.png"
    }
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c9019ce2-0f34-4505-9c0d-1f0600fc4e1a}",
      "strict_min_version": "109.0"
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+W"
      }
    }
  }
}