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/rhi/command-list/set-index-buffer.md

@@ -0,0 +1,22 @@
+# RHICommandList::SetIndexBuffer
+
+```cpp
+virtual void SetIndexBuffer(void* buffer, uint64_t offset, Format format) = 0;
+```
+
+设置索引缓冲区。
+
+**参数：**
+- `buffer` - 索引缓冲区指针
+- `offset` - 数据偏移量
+- `format` - 索引格式（R16_UINT 或 R32_UINT）
+
+**示例：**
+
+```cpp
+cmdList->SetIndexBuffer(indexBuffer, 0, Format::R16_UINT);
+```
+
+## 相关文档
+
+- [RHICommandList 总览](command-list.md) - 返回类总览