Examine source code of ⏳ Take a Break Reminder

{
  "manifest_version": 3,
  "name": "⏳ Take a Break Reminder",
  "version": "1.0",
  "description": "Reminds you to rest and hydrate every 25 minutes. Relax your mind and body!",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "128": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "burrikducrejp56@hotmail.com"
    }
  }
}