Resolve "Design of the structure section in a system's page"

Ref #137 (closed)

server/plugins/content.ts

@@ -77,7 +77,7 @@ export default defineNitroPlugin((nitroApp) => {
                 const index = file.body.children.findIndex(child => child.tag === "h2" && child.props.id === "structure")
                 console.log(index)
                 if (index !== -1) {
-                    file.body.children.splice(index, 0, {
+                    file.body.children.splice(index + 1, 0, {
                         type: "element",
                         tag: 'matrix-pdock',
                         props: {},