Can you share your experience in creating a theme for wordpress?

Hello everyone, I am currently working on a project and I absolutely can not get blocs and wordpress, I can not understand the problem with me or in the settings.

I want to ask for your help, have any of you managed to build at least minimally working theme for wp in blocs. Could you please share the .blocs file with the settings for wp to look at a sample setup

Thank you very much