Add note on NGRequestHandler really being an interface

Author: hugithordarson

ng-appserver/src/main/java/ng/appserver/NGRequestHandler.java

@@ -1,5 +1,9 @@
 package ng.appserver;
 
+/**
+ * FIXME: This should really be an interface // Hugi 2025-04-19
+ */
+
 public abstract class NGRequestHandler {
 
 	public abstract NGResponse handleRequest( NGRequest request );