UI: Add App Version to Admin Screen bottom

src/screens/AdminScreen.tsx

@@ -32,6 +32,7 @@ import { logger } from '../services/logger';
 import KioskMode from '../../modules/kiosk-mode';
 import { AppSettings, loadSettings, saveSettings } from '../services/settings';
 import { FRAMES } from '../data/frames';
+import appConfig from '../../app.json';
 
 interface AdminScreenProps {
   currentSettings: AppSettings;
@@ -659,6 +660,10 @@ export default function AdminScreen({ currentSettings, onSave, onClose }: AdminS
             <Text style={styles.saveBtnText}>EINSTELLUNGEN SPEICHERN</Text>
           </LinearGradient>
         </TouchableOpacity>
+
+        <View style={{ alignItems: 'center', marginTop: 20, marginBottom: 40 }}>
+          <Text style={{ color: '#555', fontSize: 14 }}>App Version {appConfig.expo.version}</Text>
+        </View>
       </ScrollView>
       
       {/* Log Modal */}