- New /support route with Discord join button and contact form
- Contact form sends via Resend to support@brackt.com (email stays hidden from users)
- Spam protection: honeypot field + Cloudflare Turnstile verification
- Server-side input length limits (subject: 200, message: 5000 chars)
- Added Support nav link to navbar (desktop + mobile)
Fixes#233
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>