Wrote detailed pyPI setup guide

[paulvxx]

Made the Guide

[seanbsu]

3 things

1. instead of a txt why not use a .md file that way you could include some images to help with navigation. at least for the steps to ad the api token to the github repo. might be helpful but time constraints might make this not feasible so I understand it you dont
2. Does he have to rename or create a folder with the package name as the folder name tp upload to PYPI? If he has to do that and move the code over or even have to rename the pymgm-test folder then the imports in the python files would need to be updated to reflect that
3. aldo what about the c++ compilation does he need to compile before publishing or will PYPI handle that