language i18n added and tested for server and client side

ServicesFrontEnd/frontend/next.config.ts

@@ -0,0 +1,10 @@
+import createNextIntlPlugin from "next-intl/plugin";
+
+const withNextIntl = createNextIntlPlugin("./src/i18n/request.ts");
+
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true,
+};
+
+export default withNextIntl(nextConfig);