feat: mermaid

src/components/FileTree.tsx

@@ -87,6 +87,13 @@ export const HeadingNode: Component<{
   const handleClick = (e: MouseEvent) => {
     e.preventDefault();
     navigate(href);
+    // 滚动到目标元素
+    requestAnimationFrame(() => {
+      const element = document.getElementById(anchor);
+      if (element) {
+        element.scrollIntoView({ behavior: "smooth", block: "start" });
+      }
+    });
   };
 
   const indent = props.depth * 12;