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/d3d12/unordered-access-view/unordered-access-view.md

@@ -0,0 +1,15 @@
+# D3D12UnorderedAccessView
+
+**命名空间**: `XCEngine::RHI`
+
+**描述**: DirectX 12 无序访问视图的 D3D12 实现。
+
+## 公共方法
+
+| 方法 | 描述 |
+|------|------|
+| [`GetCPUDescriptorHandle`](get-cpu-descriptor-handle.md) | 获取 CPU 描述符句柄 |
+
+## 相关文档
+
+- [D3D12 后端总览](../../opengl/overview.md)