Update index.yml

updates for cr gc

Author: msftadam

articles/operator-service-manager/index.yml

@@ -101,7 +101,12 @@ landingContent:
           - text: Get Started with Cluster Registry
             url: get-started-with-cluster-registry.md
           - text: Get Started with Private Link
-            url: get-started-with-private-link.md           
+            url: get-started-with-private-link.md    
+      - linkListType: how-to-guide
+        links:
+          - text: Manage Network Function Operator Extension
+            url: manage-network-function-operator.md
+            
   # Card
   - title: Additional Resources
     linkLists: