Add the tool to Bioconda or PyPI or Brewsci/bio

[olga24912]

#1

Consider providing a package for PyPI, or Brewsci/bio, or Bioconda (or all of them!) to ease installation on both macOS and Linux. All of these package managers support both operating systems.

[sjackman]

A package for PyPI would be great, so that I can pip3 install sgtk