message: Update create-app so that cache manager is passed through to router.
diff: @@ -14,6 +14,7 @@ export default async function createPlugin({
  config,
  discovery,
  reader,
  + cache,
  }: PluginEnvironment): Promise<Router> {
  // Preparers are responsible for fetching source files for documentation.
  const preparers = await Preparers.fromConfig(config, {
  @@ -49,5 +50,6 @@ export default async function createPlugin({
  logger,
  config,
  discovery,
  + cache,
  });
  }
  