De facto standard place to document a case
 

Where do you document a case, stating its purpose, history, etc?
Is there a de facto standard place for that?

For example, if I created the "breaking of a dam" case (tutorials/multiphase/interFoam/laminar/damBreak/), I would put there some of the information found on the beginning of section 2.3 of the OpenFOAM User Guide .

Thanks!