Updates for Integration content

Proposals to add AAC RAs to Architecutre card on main pages.

Author: doodlemania2

articles/api-management/index.yml

@@ -52,4 +52,5 @@ sections:
     className: spaced noBullet
     items:
     - html: <a href="/azure/api-management/policy-samples">Policy</a>
-    - html: <a href="/azure/api-management/powershell-samples">Azure PowerShell</a>
+    - html: <a href="/azure/api-management/powershell-samples">Azure PowerShell</a>
+    - html: <a href="https://docs.microsoft.com/azure/architecture/reference-architectures/enterprise-integration/basic-enterprise-integration">Reference Architecture</a>

articles/event-grid/index.yml

@@ -85,7 +85,12 @@ landingContent:
           - text: Event domains
             url: event-domains.md
           - text: Geo disaster recovery
-            url: geo-disaster-recovery.md            
+            url: geo-disaster-recovery.md    
+      - linkListType: architecture
+        links:
+          - text: Reference Architecture for Queues and Events
+            url: https://docs.microsoft.com/azure/architecture/reference-architectures/enterprise-integration/queues-events
+
   # Card
   - title: Customizations
     linkLists:

articles/service-bus-messaging/index.yml

@@ -34,7 +34,11 @@ landingContent:
           - text: Compare Azure queues and Service Bus queues
             url: service-bus-azure-and-service-bus-queues-compared-contrasted.md            
           - text: Queues, topics, and subscriptions
-            url: service-bus-queues-topics-subscriptions.md            
+            url: service-bus-queues-topics-subscriptions.md   
+      - linkListType: architecture
+        links:
+          - text: Reference Architecture for Queues and Events
+            url: https://docs.microsoft.com/azure/architecture/reference-architectures/enterprise-integration/queues-events
 
   # Card
   - title: Create a Service Bus queue