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/pipeline-layout/methods.md

@@ -0,0 +1,25 @@
+# RHIPipelineLayout 方法
+
+## Initialize
+
+```cpp
+virtual bool Initialize(const RHIPipelineLayoutDesc& desc) = 0;
+```
+
+初始化管线布局。
+
+## Shutdown
+
+```cpp
+virtual void Shutdown() = 0;
+```
+
+释放管线布局资源。
+
+## GetNativeHandle
+
+```cpp
+virtual void* GetNativeHandle() = 0;
+```
+
+获取原生 API 句柄。