Add first i18n stuff

src/i18n/config.ts

@@ -0,0 +1,4 @@
+export type Locale = (typeof locales)[number];
+
+export const locales = ['en-US', 'de-DE'] as const;
+export const defaultLocale: Locale = 'en-US';

src/i18n/request.ts

@@ -0,0 +1,11 @@
+import {getRequestConfig} from 'next-intl/server';
+import {getUserLocale} from '../services/locale';
+
+export default getRequestConfig(async () => {
+  const locale = await getUserLocale();
+
+  return {
+    locale,
+    messages: (await import(`../../messages/${locale}.json`)).default
+  };
+});