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/index.ts

@@ -0,0 +1,17 @@
+import * as Challenge from './challenge';
+import * as Common from './common';
+import * as Diet from './diet';
+import * as Health from './health';
+import * as Medication from './medication';
+import * as Personal from './personal';
+import * as Weight from './weight';
+
+export default {
+  ...Personal,
+  ...Health,
+  ...Diet,
+  ...Medication,
+  ...Weight,
+  ...Challenge,
+  ...Common,
+};