Add first i18n stuff

src/services/locale.ts

@@ -0,0 +1,16 @@
+'use server';
+
+import {cookies} from 'next/headers';
+import {Locale, defaultLocale} from '@/i18n/config';
+
+// In this example the locale is read from a cookie. You could alternatively
+// also read it from a database, backend service, or any other source.
+const COOKIE_NAME = 'NEXT_LOCALE';
+
+export async function getUserLocale() {
+  return (await cookies()).get(COOKIE_NAME)?.value || defaultLocale;
+}
+
+export async function setUserLocale(locale: Locale) {
+  (await cookies()).set(COOKIE_NAME, locale);
+}