Add a makefile to express python dependencies since pipenv doesn't like tensorflow

Dependencies

• [2] SXR7KEVO Initial commit

Change contents

• file addition: Makefile (----------)
  [2.13]
  + venv:

  + virtualenv venv

  +

  + setup: venv

  + env PATH=$(PWD)/venv/bin:$(PATH) pip install --upgrade pip

  + env PATH=$(PWD)/venv/bin:$(PATH) pip install tensorflow