Examine source code of Lunar Date Viewer

{
  "manifest_version": 3,
  "name": "Lunar Date Viewer",
  "version": "1.0",
  "description": "Displays the current Vietnamese lunar date using a pre-defined, hardcoded dataset.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "lunar_date_viewer.png"
  },
  "icons": {
    "128": "lunar_date_viewer.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "manuelawallaceihy667@hotmail.com"
    }
  }
}