fix: improve doc link navigation and tree display

- Fix link resolution with proper relative/absolute path handling
- Improve link styling with underline decoration
- Hide leaf nodes from tree, only show directories
- Fix log file path for packaged app

docs/api/threading/thread/sleep.md

@@ -0,0 +1,30 @@
+# Thread::Sleep
+
+```cpp
+static void Sleep(uint32_t milliseconds)
+```
+
+使当前线程休眠指定的时间。线程在休眠期间不会消耗 CPU 时间。
+
+**参数：**
+- `milliseconds` - 休眠时间，以毫秒为单位
+
+**返回：** 无
+
+**复杂度：** 取决于操作系统的调度精度，通常为 O(milliseconds)
+
+**示例：**
+
+```cpp
+printf("Start\n");
+Thread::Sleep(1000); // 休眠1秒
+printf("After 1 second\n");
+
+Thread::Sleep(500); // 再休眠0.5秒
+printf("After 0.5 more seconds\n");
+```
+
+## 相关文档
+
+- [Thread 总览](thread.md) - 返回类总览
+- [Yield](yield.md) - 让出时间片