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/math/plane/getdistancetopoint.md

@@ -0,0 +1,20 @@
+# Plane::GetDistanceToPoint
+
+```cpp
+float GetDistanceToPoint(const Vector3& point) const
+```
+
+计算点到平面的有符号距离。
+
+**参数：**
+- `point` - 要计算的点
+
+**返回：** `float` - 有符号距离
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+float dist = plane.GetDistanceToPoint(point);
+```