Examine source code of Dashboard Tab

{
  "manifest_version": 3,
  "name": "Dashboard Tab",
  "version": "1.0.0",
  "description": "A Windows 10 Start Menu style new tab page: freely-positioned draggable tiles, multi-group shortcuts, a floating pinned search bar, full-height bookmarks/history rails, dark/light mode.",
  "browser_specific_settings": {
    "gecko": {
      "id": "viewport-newtab@local",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage",
    "bookmarks",
    "topSites",
    "history",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "*://*/*"
  ]
}