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/sleep-detail.tsx

@@ -2,7 +2,6 @@ import { InfoModal, type SleepDetailData } from '@/components/sleep/InfoModal';
 import { SleepStagesInfoModal } from '@/components/sleep/SleepStagesInfoModal';
 import { SleepStageTimeline } from '@/components/sleep/SleepStageTimeline';
 import { HeaderBar } from '@/components/ui/HeaderBar';
-import { Colors } from '@/constants/Colors';
 import { useColorScheme } from '@/hooks/useColorScheme';
 import { useI18n } from '@/hooks/useI18n';
 import {
@@ -38,7 +37,7 @@ export default function SleepDetailScreen() {
   const { t } = useI18n();
   const insets = useSafeAreaInsets();
   const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
-  const colorTokens = Colors[theme];
+
   const [sleepData, setSleepData] = useState<CompleteSleepData | null>(null);
   const [loading, setLoading] = useState(true);