Add a project description and basic usage of the project

[alambike]

@gustavoborragan , @frmadem could you add a proper README to the project, to explain the motivation and usage of the tool?

Acceptance criteria:

• A README is created in the project to explain the needs that covers, and its basic usage.

[frmadem]

@alambike on this PR.

[alambike]

@frmadem I would like to see some concrete example of usage, and maybe the list of functions /renders available to use, so I don't have to go to the source code to see them.