Add sample Dockerfile for bundling NMP installation and nginx into one docker image

[eladrion]

Overview

This PR adds a sample docker file that builds the static data and runs an nginx instance.

Changes

Merely the addition of a file

Testing

This Dockerfile is used in the institutional instance of Workflomics at UP

Checklist

• Code follows project standards.
• Self-reviewed and commented where needed.
• Documentation updated if needed.
• No new warnings or errors.

[eladrion]

Documentation is to be updated

[vedran-kasalica]

Looks good, thanks!