feat(cli): add commands to manage users (#1691)

cli/cmd/ctl/user/root.go

@@ -0,0 +1,16 @@
+package user
+
+import "github.com/spf13/cobra"
+
+func NewUserCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "user",
+		Short: "user management operations",
+	}
+	cmd.AddCommand(NewCmdCreateUser())
+	cmd.AddCommand(NewCmdDeleteUser())
+	cmd.AddCommand(NewCmdListUsers())
+	cmd.AddCommand(NewCmdGetUser())
+	// cmd.AddCommand(NewCmdUpdateUserLimits())
+	return cmd
+}