message: Note limitation about Lunr in production
diff: @@ -34,6 +34,11 @@ const searchEngine = new LunrSearchEngine({ logger: env.logger });
  const indexBuilder = new IndexBuilder({ logger: env.logger, searchEngine });
  ```
  +> Note: Lunr is appropriate as a zero-config search engine when developing
  +> other parts of Backstage locally, however its use is highly discouraged when
  +> running Backstage in production. When deploying Backstage, use one of the
  +> other search engines instead.
  +
  ## Postgres
  The Postgres based search engine only requires that postgres being configured as
  