build fix

src/i18n.ts

@@ -4,7 +4,7 @@ import en from './locales/en.json'
 
 export const i18n = createI18n({
     legacy: false,
-    locale: 'de',
+    locale: (localStorage.getItem('lang') || 'de')
     fallbackLocale: 'de',
     globalInjection: true,
     messages: {