CNV-56842: Documented the resource usage dashboard.

Author: jhradilek

virt/support/virt-support-overview.adoc

@@ -66,12 +66,15 @@ You can monitor the health of your cluster and VMs by using the {product-title}
 |*Virtualization* -> *Migrations* tab
 |Progress of live migrations
 
-|*VirtualMachines* -> *VirtualMachine* -> *VirtualMachine details* -> *Metrics* tab
+|*Virtualization* -> *VirtualMachines* tab
+|CPU, memory, and storage usage summary
+
+|*Virtualization* -> *VirtualMachines* -> *VirtualMachine details* -> *Metrics* tab
 |VM resource usage, storage, network, and migration
 
-|*VirtualMachines* -> *VirtualMachine* -> *VirtualMachine details* -> *Events* tab
+|*Virtualization* -> *VirtualMachines* -> *VirtualMachine details* -> *Events* tab
 |List of VM events
 
-|*VirtualMachines* -> *VirtualMachine* -> *VirtualMachine details* -> *Diagnostics* tab
+|*Virtualization* -> *VirtualMachines* -> *VirtualMachine details* -> *Diagnostics* tab
 |VM status conditions and volume snapshot status
 |====