Examine source code of Web Application Pad

{
  "manifest_version" : 3 ,
  "name" : "Web Application Pad",
  "version" : "17.6.9",
  "description" : "A private, distraction-free notepad, instant local auto-save, multi-note management, and optional cloud sync.",
  "action" : {
    "default_popup" : "popup.html",
    "default_title" : "Open Notepad"
  },
  "background" : {
    "scripts" : [
      "background.js" 
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "support@webdevelopment.onl",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}