Add a license file to the Repo

[johnlonganecker]

It would be helpful to know how this software can be used. IE for commercial use or not for commercial use. Here are some instructions on how to do it:

https://docs.github.com/en/github/building-a-strong-community/adding-a-license-to-a-repository

[ModischFabrications]

has been done already, MIT as of now