"Recommendations for Implementation" section for DDPs

[laura-alagna]

Draft here: https://docs.google.com/document/d/1cb--DlQr_fDTYzcn3fsXa_ynC1O9rhCiMrXCkMq-lD8/edit

Create the section of the document that is targeted at DDPs.

[diamondap]

I added a first draft of the DDP recommendations. It's terse, and may need some clarification or fleshing out, so I invite others to comment.