Updated grok/Python/packaging_tutorial/README.md
Updated grok/Python/packaging_tutorial/README.md

 - tutorial I was following out-of-date
   - now focus on getting Pipenv to work
   - using setuptools directly now deprecated

grscheller/scheller-linux-archive,grscheller/scheller-linux-archive,grscheller/scheller-linux-archive,grscheller/scheller-linux-archive,grscheller/scheller-linux-archive,grscheller/scheller-linux-archive,grscheller/scheller-linux-archive,grscheller/scheller-linux-archive