CoolTab

Just a new tab for your browser, but cooler
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manifest.json
{
  "manifest_version": 3,
  "name": "Cool Tab",
  "version": "1.2.0",
  "description": "Just a new tab for your browser, but cooler",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "cooltab@github.io",
      "strict_min_version": "60.0"
    }
  }
}