Change to shorter flag for sub folder creation dirs

Co-authored-by: sh0rez <me@shorez.de>

cmd/tk/export.go

@@ -29,7 +29,7 @@ func exportCmd() *cli.Command {
 
 	vars := workflowFlags(cmd.Flags())
 	getExtCode := extCodeParser(cmd.Flags())
-	allowSubFolderCreation := cmd.Flags().Bool("allow-subfolder-creation", false, "Allow export to create subfolders in the out directory if the format contains '/'")
+	createDirs := cmd.Flags().Bool("dirs", false, "Treat '/' in filenames as directories")
 	format := cmd.Flags().String("format", "{{.apiVersion}}.{{.kind}}-{{.metadata.name}}", "https://tanka.dev/exporting#filenames")
 	extension := cmd.Flags().String("extension", "yaml", "File extension")