8347348: Clarify that the HTTP server in jdk.httpserver module is not a full featured server

Reviewed-by: michaelm, dfuchs

Author: jaikiran

src/jdk.httpserver/share/classes/module-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -101,6 +101,14 @@
  * socket option on all incoming connections.
  * </li></ul>
  *
+ * @apiNote The API and SPI in this module are designed and implemented to support a minimal
+ * HTTP server and simple HTTP semantics primarily.
+ *
+ * @implNote The default implementation of the HTTP server provided in this module is intended
+ * for simple usages like local testing, development, and debugging. Accordingly, the design
+ * and implementation of the server does not intend to be a full-featured, high performance
+ * HTTP server.
+ *
  * @toolGuide jwebserver
  *
  * @uses com.sun.net.httpserver.spi.HttpServerProvider