fix: improve doc link navigation and tree display

- Fix link resolution with proper relative/absolute path handling
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docs/api/math/matrix3/transpose.md

@@ -0,0 +1,18 @@
+# Matrix3::Transpose
+
+```cpp
+Matrix3 Transpose() const
+```
+
+返回矩阵的转置。
+
+**返回：** `Matrix3` - 转置矩阵
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Matrix3 mat = ...;
+Matrix3 transposed = mat.Transpose();
+```