Updated example doc links

Author: lsho

docs/examples/010_overview.adoc

@@ -21,6 +21,14 @@ There are a number of examples which show you how to build and deploy applicatio
 This example showcases how to deploy Coherence applications using the Coherence Operator.
 --
 
+[CARD]
+.Federation
+[link=examples/030_federation.adoc]
+--
+This is a simple Coherence federation example. The federation feature requires Coherence Grid Edition.
+--
+
+
 [CARD]
 .TLS
 [link=examples/100_tls.adoc]
@@ -34,8 +42,14 @@ Securing Coherence clusters using TLS.
 --
 Scaling Coherence clusters using the horizontal Pod autoscaler.
 --
-====
 
+[CARD]
+.Istio
+[link=examples/800_istio.adoc]
+--
+Istio Support
+--
+====
 
 [PILLARS]
 ====

docs/examples/030_federation.adoc

@@ -0,0 +1,14 @@
+///////////////////////////////////////////////////////////////////////////////
+
+    Copyright (c) 2021, Oracle and/or its affiliates.
+    Licensed under the Universal Permissive License v 1.0 as shown at
+    http://oss.oracle.com/licenses/upl.
+
+///////////////////////////////////////////////////////////////////////////////
+
+= Coherence Federation Example
+
+
+// DO NOT EDIT THIS FILE
+// This file imports the example README.adoc file.
+include::../../examples/federation/README.adoc[]