Add Printfection Ordering Options

Why is this change being made?

This adds explanation and documentation links for 2 processes that were not in the handbook, but are often used by the Community Advocates team. The processes are how to create external order links and giveaway kits.

Does this MR meet the acceptance criteria?

Conformity

• Added description to this MR explaining the reasons for the proposed change, per say-why-not-just-what