feat: app services command

Closes coop-cloud/organising#372

cli/app/app.go

@@ -11,26 +11,27 @@ var AppCommand = cli.Command{
 	ArgsUsage:   "<domain>",
 	Description: "Functionality for managing the life cycle of your apps",
 	Subcommands: []cli.Command{
-		appNewCommand,
-		appConfigCommand,
-		appRestartCommand,
-		appDeployCommand,
-		appUpgradeCommand,
-		appUndeployCommand,
-		appRemoveCommand,
-		appCheckCommand,
-		appListCommand,
-		appPsCommand,
-		appLogsCommand,
-		appCpCommand,
-		appRunCommand,
-		appRollbackCommand,
-		appSecretCommand,
-		appVolumeCommand,
-		appVersionCommand,
-		appErrorsCommand,
-		appCmdCommand,
 		appBackupCommand,
+		appCheckCommand,
+		appCmdCommand,
+		appConfigCommand,
+		appCpCommand,
+		appDeployCommand,
+		appErrorsCommand,
+		appListCommand,
+		appLogsCommand,
+		appNewCommand,
+		appPsCommand,
+		appRemoveCommand,
+		appRestartCommand,
 		appRestoreCommand,
+		appRollbackCommand,
+		appRunCommand,
+		appSecretCommand,
+		appServicesCommand,
+		appUndeployCommand,
+		appUpgradeCommand,
+		appVersionCommand,
+		appVolumeCommand,
 	},
 }