Ok. So how to do it in UiPath Studio ? I used option ‘clone repository’ and a little bit I cheated UiPath Studio 
On the beginning I use option ‘clone git repository’ in Studio:
I getting warning from Studio:
after press ok I have to select the project.json file. So I copy this file from random different project
And it’s done.
Now you can copy folders with existing project or create the new one.
Commit and push works fine.
Let me know if that’s what you mean