Examine source code of NeoTab

{
  "manifest_version": 3,
  "name": "NeoTab",
  "version": "1.86",
  "description": "New Tab written with ❤️ in vanilla JS. Fast. Simple. Customisable.",
  "icons": {
    "48": "icons/ico48.png",
    "96": "icons/ico96.png"
  },
  "chrome_url_overrides": {
    "newtab": "neo.html"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b1529770-b4a7-49d5-b329-c850adf02d51}"
    }
  }
}