How to add okhttp library manually?

Question

android studio

Hello ! I was given the following task: to
attach https://github.com/square/okhttp to an empty project (just create a new one) as a module (that is, okhttp files should be able to change, namely these files https://github.com/ square/okhttp/tree/master/okhttp).
how to do it ?
I cloned this project, created an empty project, then clicked import module-> android module, indicated the path to the downloaded project, and then there are error messages,
tell me how to do it all right