Let me first welcome you to the STM32 Community :)
The demonstration software supporting the X-NUCLEO-GFX01M1 expansion boards is available from the X-CUBE-DISPLAY Package offering the needed drivers as well as simple examples.
You can review and port the application from STM32L4 available in the package:
You can also open TouchGFX Designer and import the code from STM32G0 Board. Make sure to modify the the pins.
Imen
In order to give better visibility on the answered topics, please click on 'Best answer' on the reply which solved your issue or answered your question. Thanks