Added some ctl boilerplate

clitools/cmd/ctl/main.go

@@ -0,0 +1,15 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"undecided.project/monok8s/pkg/cmd/root"
+)
+
+func main() {
+	if err := root.NewRootCmd().Execute(); err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+}