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.

i18n/zh/weight.ts

@@ -0,0 +1,31 @@
+export const weightRecords = {
+  title: '体重记录',
+  pageSubtitle: '追踪体重变化与趋势',
+  loadingHistory: '体重记录加载失败',
+  history: '体重记录',
+  historyMonthFormat: '{{year}}年{{month}}月',
+  stats: {
+    currentWeight: '当前体重',
+    initialWeight: '初始体重',
+    targetWeight: '目标体重',
+  },
+  empty: {
+    title: '暂无体重记录',
+    subtitle: '点击右上角 + 按钮添加第一条记录',
+  },
+  modal: {
+    recordWeight: '记录体重',
+    editInitialWeight: '编辑初始体重',
+    editTargetWeight: '编辑目标体重',
+    editRecord: '编辑记录',
+    inputPlaceholder: '输入体重',
+    unit: 'kg',
+    quickSelection: '快速选择',
+    confirm: '保存',
+  },
+  alerts: {
+    deleteFailed: '删除记录失败',
+    invalidWeight: '请输入 0-500kg 之间的有效体重',
+    saveFailed: '保存体重失败，请稍后再试',
+  },
+};