message: Update the changelog & roadmap reference docs.
diff: // M("Custom Docker image", "references/gitpod-dockerfile"),
  // M("Architecture", "references/architecture"),
  // M("Troubleshooting", "references/troubleshooting"),
  + M("Changelog", "references/changelog"),
  M("Roadmap", "references/roadmap"),
  - // M("Changelog", "references/changelog"),
  ]),
  ];
  const MENU_v1 = [
  