Add examples in the documentation?

[anaigmo]

Raising the issue to assess whether we could also include little examples of what the result of the transformation would look like with actual data, instead of only representing the mapping structure

[dachafra]

Although I agree with the idea, sometimes we do not have the data accessible, so this could be difficult.

[anaigmo]

I'm also not sure, and this could not be done in all cases. Maybe it could be an additional item, that doesn't need to be always present?