Allow organizers to choose which registration form fields appear on the printed attendee sticker/badge — beyond the current default set.

Problem:

The badge print layout only shows default fields (e.g. name, ticket type). Custom registration questions — such as organization, industry, role, or dietary preference — are collected during sign-up but never surface on the printed sticker. Organizers who need this info visible at the door (for networking, access control, or catering) have no way to include it.

Goal:

Give organizers a simple field-mapping UI where they can select which registration form answers (including custom questions) should be printed on the badge, and optionally control layout/order.

Key capabilities envisioned: