Examine source code of Stratum

{
  "manifest_version": 3,
  "name": "Stratum",
  "version": "0.2.0",
  "description": "A dead-simple configurable browser startpage with columns, links, icons, search, and copy/paste config import/export.",
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{02b4fd58-8864-4655-86ea-08b9aeadd19a}",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}