language i18n added and tested for server and client side

ServicesFrontEnd/frontend/middleware.ts

@@ -0,0 +1,33 @@
+import createMiddleware from "next-intl/middleware";
+import { routing } from "@/i18n/routing";
+
+export default createMiddleware({
+  // A list of all locales that are supported
+  locales: routing.locales,
+
+  // Used when no locale matches
+  defaultLocale: routing.defaultLocale,
+
+  // Locale detection strategies
+  localeDetection: true,
+
+  // Uncomment to use domains for language-specific subdomains
+  // domains: [
+  //   {
+  //     domain: 'example.com',
+  //     defaultLocale: 'en'
+  //   },
+  //   {
+  //     domain: 'example.fr',
+  //     defaultLocale: 'fr'
+  //   }
+  // ]
+});
+
+export const config = {
+  // Match all pathnames except for
+  // - API routes
+  // - Static files
+  // - _next internal paths
+  matcher: ["/((?!api|_next|.*\\..*).*)"],
+};