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>

middleware.ts

@@ -0,0 +1,12 @@
+import createMiddleware from "next-intl/middleware";
+import { locales, defaultLocale } from "./i18n";
+
+export default createMiddleware({
+  locales,
+  defaultLocale,
+  localePrefix: "always",
+});
+
+export const config = {
+  matcher: ["/((?!api|_next|.*\\..*).*)"],
+};