Update TOC.yml to add the page of Azure HPC VM images

Author: darkwhite29

articles/virtual-machines/TOC.yml

@@ -409,6 +409,9 @@
       - name: Configure and optimize VMs
         displayName: Configure and optimize Infiniband enabled VMs
         href: configure.md
+      - name: Azure HPC VM images
+        displayName: Azure HPC VM images
+        href: azure-hpc-vm-images.md
       - name: HB-series
         href: hb-series.md
         items: