I would like to add moldings to my cabinet. How do I do this?

You can add one or more molding profiles to a cabinet or countertop by accessing the Moldings panel in the object's specification dialog.
tool, click on the cabinet object and select the Open Object 

Molding profiles can be copied, replaced, deleted, added to the library for use in future plans, as well as stacked with other profiles. Please access your program's Help for more information on each of these options.