added subnet peering in how to guidance card

Author: Abhisht18

articles/virtual-network/how-to-configure-subnet-peering.md

@@ -37,8 +37,6 @@ The following limitations apply during the public preview:
 
 ## Configure subnet peering
 
-<update this for your feature.>
-
 - The how-to article requires version 2.31.0 or later of the Azure CLI. If using Azure Cloud Shell, the latest version is already installed.
 
 - To access the subnet peering preview feature, you need your Azure subscription to be registered for the feature. 

articles/virtual-network/index.yml

@@ -138,6 +138,8 @@ landingContent:
             url: /azure/virtual-network/how-to-multiple-prefixes-subnet
           - text: Update address space for a virtual network peer
             url: /azure/virtual-network/update-virtual-network-peering-address-space
+          - text: Configure subnet peering
+            url: /azure/virtual-network/how-to-configure-subnet-peering  
   # Card
   - title: Network foundation
     linkLists: