Update index.yml

Author: surbhijain16

articles/reliability/index.yml

@@ -21,6 +21,13 @@ landingContent:
           - text: Azure reliability overview
             url: overview.md
   # Card
+  - title: Azure Service Manager Retirement
+    linkLists:
+      - linkListType: overview
+        links:
+          - text: ASM Retirement Overview
+            url: overview.md
+  # Card
   - title: Availability zone support
     linkLists:
       - linkListType: concept
@@ -58,4 +65,4 @@ landingContent:
           - text: Service availability for Azure in China
             url: sovereign-cloud-china.md   
           - text: Service availability by region
-            url: https://azure.microsoft.com/global-infrastructure/services/
+            url: https://azure.microsoft.com/global-infrastructure/services/