Creation of article on outbound rules using Azure PowerShell

Author: asudbring

articles/load-balancer/TOC.yml

@@ -84,7 +84,11 @@
   - name: Load balance VMs within a zone (CLI)
     href: load-balancer-standard-public-zonal-cli.md
   - name: Configure outbound rules
-    href: configure-load-balancer-outbound-cli.md
+    items:
+    - name: Configure outbound rules - Cli
+      href: configure-load-balancer-outbound-cli.md
+    - name: Configure outbound rules - PowerShell
+      href: configure-load-balancer-outbound-powershell.md
   - name: Create an Azure Load Balancer using REST API
     href: create-load-balancer-rest-api.md
   - name: Create Basic Load Balancer (Template)