To participate in development you need to prepare the developer's environment first. Depending on the preferable tools, your mileage may vary.
Visual Studio Code Dev Container¶
The easiest way to start the development is to use Visual Studio Code with Remote Containers plugin. Just click on the green sign in the lower-left corner and select the "Reopen in Container" menu item. You'll get all the required formatting and linting settings out of the box.