User docs in Github Pages

[IvanRoblesMX]

Narrative

The user documentation should be hosted in gh-pages. Once the production build is already configured.
Reference about how to do it: https://pages.github.com/

Definition of done

1. Review
2. Published

Acceptance criteria

Production build hosted and served in gh-pages.
Also if we want to be quick, we can just set up the GitHub page and add the files manually with some corrections referencing the files.