Are you trying to make your own ZMK firmware?
Here are the steps you need to take.
Do you want to download my keymap?
Note
My firmware only matches the following diagram if the operating system is set to "Italian" keyboard input.
Download the firmware zip from the latest action run. Check the ZMK docs for instructions on how to flash it.
This layout is inspired by Seniply by Stevep99
This diagram was created using draw.io
Click HERE to view a copy that you can edit