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/rect/rectint-intersects.md

@@ -0,0 +1,24 @@
+# RectInt::Intersects
+
+```cpp
+bool Intersects(const RectInt& other) const
+```
+
+检测两整数矩形是否相交。
+
+**参数：**
+- `other` - 另一个整数矩形
+
+**返回：** `bool` - 两矩形相交返回 true
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+RectInt rectA(0, 0, 100, 100);
+RectInt rectB(50, 50, 100, 100);
+if (rectA.Intersects(rectB)) {
+    // 两矩形相交
+}
+```