Reorganize repo and add workflows for testing and releasing

[ehennestad]

Organize repo in code and tools folders, where code contains the code to be released and tools contains developer tools

[github-advanced-security]

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[stevewds]

Hi @pradeepgeorge, could you please add @ehennestad as a user with write access to this repo? We are adding some test code to it. Soon this will transfer over to Waltham Data Science, so it would be nice even to have administrative access for @stevevanhooser, @stevewds, and @ehennestad

Thanks
Steve