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/opengl/buffer/initialize-index-buffer.md

@@ -0,0 +1,25 @@
+# OpenGLBuffer::InitializeIndexBuffer
+
+```cpp
+bool InitializeIndexBuffer(const void* data, size_t size)
+```
+
+初始化索引缓冲区。
+
+**参数：**
+- `data` - 索引数据指针
+- `size` - 数据大小（字节）
+
+**返回：** 成功返回 true
+
+**示例：**
+
+```cpp
+uint32_t indices[] = { 0, 1, 2 };
+OpenGLBuffer buffer;
+buffer.InitializeIndexBuffer(indices, sizeof(indices));
+```
+
+## 相关文档
+
+- [OpenGLBuffer](buffer.md) - 返回类总览