fix: improve doc link navigation and tree display

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docs/api/math/matrix4/inverse.md

@@ -0,0 +1,18 @@
+# Matrix4::Inverse
+
+```cpp
+Matrix4 Inverse() const
+```
+
+返回矩阵的逆矩阵。
+
+**返回：** `Matrix4` - 逆矩阵
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Matrix4 m = ...;
+Matrix4 inv = m.Inverse();
+```