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/device/check-feature-support.md

@@ -0,0 +1,25 @@
+# D3D12Device::CheckFeatureSupport
+
+```cpp
+bool CheckFeatureSupport(D3D12_FEATURE feature, void* featureSupportData, uint32_t featureSupportDataSize)
+```
+
+检查特性支持。
+
+**参数：**
+- `feature` - 特性类型
+- `featureSupportData` - 特性支持数据缓冲区
+- `featureSupportDataSize` - 数据大小
+
+**返回：** 是否支持该特性
+
+**示例：**
+
+```cpp
+D3D12_FEATURE_DATA_D3D12_OPTIONS options;
+bool supported = d3d12Device->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS, &options, sizeof(options));
+```
+
+## 相关文档
+
+- [D3D12Device 总览](device.md) - 返回类总览