Add first i18n stuff

src/components/LocaleSwitcher.tsx

@@ -0,0 +1,24 @@
+import { useLocale, useTranslations } from 'next-intl';
+import LocaleSwitcherSelect from './LocaleSwitcherSelect';
+
+export default function LocaleSwitcher() {
+  const t = useTranslations('locales');
+  const locale = useLocale();
+
+  return (
+    <LocaleSwitcherSelect
+      defaultValue={locale}
+      items={[
+        {
+          value: 'en-US',
+          label: t('en-US')
+        },
+        {
+          value: 'de-DE',
+          label: t('de-DE')
+        }
+      ]}
+      label={t('label')}
+    />
+  );
+}