Examine source code of Search SimeonOnSecurity

{
  "manifest_version": 3,
  "name": "Search SimeonOnSecurity",
  "version": "1.0",
  "description": "Search SimeonOnSecurity directly from the browser.",
  "permissions": [
    "activeTab"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/16.png",
      "48": "images/48.png",
      "128": "images/128.png"
    }
  },
  "icons": {
    "16": "images/16.png",
    "48": "images/48.png",
    "128": "images/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "search@simeononsecurity.ch"
    },
    "gecko_android": {
      "id": "search@simeononsecurity.ch"
    }
  }
}