Lots of changes including: wwctl overlay list and framework for other commands

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

@@ -0,0 +1,25 @@
+package create
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var (
+	baseCmd = &cobra.Command{
+		Use:                "create",
+		Short:              "Initialize a new Overlay",
+		Long:               "Create a new Warewulf provisioning overlay",
+		RunE:				CobraRunE,
+	}
+	SystemOverlay bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().BoolVarP(&SystemOverlay, "system", "s", false, "Show System Overlays as well")
+
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}