Add documentation for eval module

[ericfeunekes]

Describe what you are looking for

As discussed here, please add documentation and examples showing how to use the eval module. Something minimal would be great to start just showing how the classes work together to allow you to evaluate different strategies, model embeddings, etc.

Can you contribute to the implementation?

• [ ] I can contribute

Is your feature request specific to a certain interface?

Other

Is there an existing issue for this?

• [X] I have searched the existing issues

Code of Conduct

• [X] I agree to follow this project's Code of Conduct