Added controllers, services, and lots of various optimizations and fixes

internal/app/wwctl/controller/list/root.go

@@ -0,0 +1,23 @@
+package list
+
+import "github.com/spf13/cobra"
+
+var (
+	baseCmd = &cobra.Command{
+		Use:                "list",
+		Short:              "List",
+		Long:               "List",
+		RunE:				CobraRunE,
+	}
+	ShowAll bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().BoolVarP(&ShowAll, "all", "a", false, "Show all node configurations")
+
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}