qmk-firmware/keyboard/planck/keymaps/README.md

How to add your own keymap

Folders can be named however you'd like (will be approved upon merging), or should follow the format with a preceding _:

_[ISO 3166-1 alpha-2 code*]_[layout variant]_[layout name/author]

* See full list: https://en.wikipedia.org/wiki/ISO_3166-1#Officially_assigned_code_elements

and contain the following files:

• keymap.c
• readme.md recommended
• config_user.h optional, found automatically when compiling
• makefile.mk optional, found automatically when compling

When adding your keymap to this list, keep it organised alphabetically (select list, edit->sort lines), and use this format:

 * **folder_name** description

List of Planck keymaps

• default default Planck layout