feat(admin): add draw management features including create, update, delete, and batch delete functionalities

- Implemented API functions for creating, updating, and deleting draws.
- Enhanced the admin draws console with UI components for managing draws.
- Added internationalization support for new draw management actions and messages.

src/lib/lottery-schedule-timezone.ts

@@ -0,0 +1,5 @@
+/**
+ * PRD / 界面文档：服务器时区 GMT，与 UTC 等效。
+ * @see docs/01-界面文档.md §1.4
+ */
+export const LOTTERY_SCHEDULE_TIMEZONE = "UTC";