- Replace bottom-of-page waitlist form with registration CTA linking to /apply.html
- Add newsletter signup bar (email-only, subscribes to Listmonk) for visitors not ready to register
- Expand footer to 3-column grid (Event, Navigate, Community) with sponsorships link
- Create sponsorship package (VOTC26-Sponsorship-Package.md) and web page (sponsorships.html)
- Add /api/newsletter endpoint for lightweight mailing list signup
- Update nav link from "Get involved" to "Register", community partners link updated
- Fix listmonk.js to not overwrite existing subscriber names with empty strings
- Update apply.html and payment-return.html footers for consistency
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add payment routes, checkout redirect, return page, DB schema updates,
and environment configuration for Mollie payment processing.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>