이 글은 아래의 자료를 참고로 만들어졌습니다. https://docs.ros.org/en/dashing/Tutorials/Workspace/Creating-A-Workspace.html Creating a workspace — ROS 2 Documentation: Dashing documentation Goal: Create a workspace and learn how to set up an overlay for development and testing. A workspace is a directory containing ROS 2 packages. Before using ROS 2, it’s necessary to source your ROS 2 installation workspace in the..