Initial upload of BB-Apartment 2026 website.

Adds the complete Next.js website including i18n routing, house and
apartment pages, Beds24 v2 integration for live availability/pricing,
Stripe checkout, contact forms, Docker setup and deployment docs.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

.dockerignore

@@ -0,0 +1,10 @@
+node_modules
+.next
+.env
+.env.local
+.env.*.local
+coverage
+.DS_Store
+*.log
+npm-debug.log*
+.prisma