feat(website): Next.js 16 marketing website with RTL/Farsi

Marketing website for Meezi platform:
- Server-side rendered pages: home, demo, blog, pricing
- RTL/Farsi layout with Vazirmatn font
- SEO metadata and Open Graph tags
- proxy.ts for Next.js 16 middleware convention
- MEEZI_API_URL internal Docker network routing

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

web/website/src/i18n/request.ts

@@ -0,0 +1,14 @@
+import { getRequestConfig } from "next-intl/server";
+import { hasLocale } from "next-intl";
+import { routing } from "./routing";
+
+export default getRequestConfig(async ({ requestLocale }) => {
+  const requested = await requestLocale;
+  const locale = hasLocale(routing.locales, requested)
+    ? requested
+    : routing.defaultLocale;
+  return {
+    locale,
+    messages: (await import(`../../messages/${locale}.json`)).default,
+  };
+});

web/website/src/i18n/routing.ts

@@ -0,0 +1,7 @@
+import { defineRouting } from "next-intl/routing";
+
+export const routing = defineRouting({
+  locales: ["fa", "en"],
+  defaultLocale: "fa",
+  localePrefix: "always",
+});