✨ add language switch, add german

src/components/Settings/AppCardWidthSelector.tsx

@@ -1,9 +1,11 @@
 import React from 'react';
 import { Text, Slider, Stack } from '@mantine/core';
+import { useTranslation } from 'next-i18next';
 import { useConfig } from '../../tools/state';
 
 export function AppCardWidthSelector() {
   const { config, setConfig } = useConfig();
+  const { t } = useTranslation('settings/customization/app-width');
 
   const setappCardWidth = (appCardWidth: number) => {
     setConfig({
@@ -17,7 +19,7 @@ export function AppCardWidthSelector() {
 
   return (
     <Stack spacing="xs">
-      <Text>App Width</Text>
+      <Text>{t('label')}</Text>
       <Slider
         label={null}
         defaultValue={config.settings.appCardWidth}