Function: mkdir
This tool belongs to the Gorilla file system. It is a simple file system that allows users to perform basic file operations such as navigating directories, creating files and directories, reading and writing to files, etc. Tool description: Create a new directory in the current directory.
Parameters: dir_name: type: string
description: The name of the new directory at current directory. You can only create directory at current directory.
Required parameters: dir_name