UI updates to include "overlay kind"

internal/app/wwctl/overlay/create/root.go

@@ -6,18 +6,16 @@ import (
 
 var (
 	baseCmd = &cobra.Command{
-		Use:   "create [flags] <overlay name>",
+		Use:   "create [flags] <overlay kind> <overlay name>",
 		Short: "Initialize a new Overlay",
 		Long:  "This command will create a new empty overlay.",
 		RunE:  CobraRunE,
-		Args:  cobra.ExactArgs(1),
+		Args:  cobra.ExactArgs(2),
 	}
-	SystemOverlay   bool
 	NoOverlayUpdate bool
 )
 
 func init() {
-	baseCmd.PersistentFlags().BoolVarP(&SystemOverlay, "system", "s", false, "Show System Overlays as well")
 	baseCmd.PersistentFlags().BoolVarP(&NoOverlayUpdate, "noupdate", "n", false, "Don't update overlays")
 }