Examine source code of Cafe Vibes

{
  "manifest_version": 3,
  "name": "Cafe Vibes",
  "version": "1.0.0",
  "description": "Learn relaxing and everyday English vocabulary about coffee shops, beverages, and cozy atmospheres.",
  "icons": {
    "48": "cafe_vibes_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Cafe Vibes"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fc21da0e-7279-4498-8687-9a62ae03f119}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}