Docs: Add D3D12 API documentation

docs/api/d3d12/d3d12-device-check-feature-support.md

@@ -0,0 +1,18 @@
+# D3D12Device::CheckFeatureSupport
+
+检查设备是否支持特定功能特性。
+
+```cpp
+bool CheckFeatureSupport(D3D12_FEATURE feature, void* featureSupportData, uint32_t featureSupportDataSize);
+```
+
+**参数：**
+- `feature` - 要检查的功能特性
+- `featureSupportData` - 存储结果的缓冲区
+- `featureSupportDataSize` - 缓冲区大小
+
+**返回：** `bool` - 支持返回 true，否则返回 false
+
+## 相关文档
+
+- [D3D12Device 总览](d3d12-device.md)