Examine source code of Personal Notepad

{
  "manifest_version" : 3 ,
  "name" : "Personal Notepad",
  "version" : "1.1.0",
  "description" : "A simple, private notepad in your toolbar. Notes autosave and stay on your device.",
  "icons" : {
    "48" : "icons/icon.svg",
    "96" : "icons/icon.svg",
    "128" : "icons/icon.svg"
  },
  "permissions" : [
    "storage" 
  ],
  "action" : {
    "default_title" : "Personal Notepad",
    "default_icon" : "icons/icon.svg",
    "default_popup" : "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "personal-notepad@peednas.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}