Update TOC.yml

Updated TOC.yaml to include link to new Nexus Network Cloud SKUs page

Author: jamatson-Nexus

articles/operator-nexus/TOC.yml

@@ -369,6 +369,8 @@
           href: reference-acl-examples.md
     - name: Operator Nexus Network Fabric SKUs
       href: reference-operator-nexus-fabric-skus.md
+    - name: Operator Nexus Network Cloud SKUs      
+      href: reference-operator-nexus-network-cloud-SKUsus.md
 - name: Release Notes
   items:
     - name: 2024