Adding article to TOC

Author: VanMSFT

articles/virtual-machines/linux/sql/TOC.yml

@@ -8,8 +8,10 @@
     href: provision-sql-server-linux-virtual-machine.md
 - name: Tutorials
   items:
-  - name: Setting up Azure RHEL VM Availability Group with STONITH
+  - name: Setting up Azure RHEL VM availability group with STONITH
     href: sql-server-linux-rhel-ha-stonith-tutorial.md
+  - name: Configure availability group listener for SQL Server on RHEL virtual machines in Azure
+    href: sql-server-linux-rhel-ha-listener-tutorial.md
 - name: Reference
   items:
   - name: Azure CLI