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>

components/layout/LanguageSwitcher.tsx

@@ -0,0 +1,40 @@
+"use client";
+
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { locales } from "@/i18n";
+
+export function LanguageSwitcher({
+  locale,
+  scrolled = false,
+}: {
+  locale: string;
+  scrolled?: boolean;
+}) {
+  const pathname = usePathname();
+  const strippedPath = pathname.replace(`/${locale}`, "") || "/";
+
+  return (
+    <div
+      className={`flex items-center gap-1 rounded-full p-1 transition-colors duration-300 ${
+        scrolled ? "bg-brand-grey-soft" : "bg-white/10"
+      }`}
+    >
+      {locales.map((l) => (
+        <Link
+          key={l}
+          href={`/${l}${strippedPath}`}
+          className={`px-3 py-1 rounded-full text-sm font-medium transition-colors duration-300 ${
+            l === locale
+              ? "bg-brand-green text-white"
+              : scrolled
+                ? "text-brand-grey hover:text-brand-green-dark"
+                : "text-white/80 hover:text-white"
+          }`}
+        >
+          {l.toUpperCase()}
+        </Link>
+      ))}
+    </div>
+  );
+}