Add Chinese translations for medication management and personal settings

- Introduced new translation files for medication, personal, and weight management in Chinese.
- Updated the main index file to include the new translation modules.
- Enhanced the medication type definitions to include 'ointment'.
- Refactored workout type labels to utilize i18n for better localization support.
- Improved sleep quality descriptions and recommendations with i18n integration.

app/(tabs)/challenges.tsx

@@ -602,7 +602,7 @@ const styles = StyleSheet.create({
     marginBottom: 26,
   },
   title: {
-    fontSize: 28,
+    fontSize: 24,
     fontWeight: '700',
     letterSpacing: 1,
     fontFamily: 'AliBold'