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/texture/get-array-size.md

@@ -0,0 +1,29 @@
+# D3D12Texture::GetArraySize
+
+## 函数签名
+
+```cpp
+uint32_t GetArraySize() const
+```
+
+## 中文描述
+
+获取纹理数组大小。对于非数组纹理，返回 1。
+
+## 返回值
+
+`uint32_t` - 数组大小
+
+## 复杂度
+
+O(1)
+
+## 示例
+
+```cpp
+uint32_t arraySize = texture->GetArraySize();
+```
+
+## 相关文档
+
+- [D3D12Texture](texture.md) - 类总览