fix: cast page.data to any to avoid type errors

Author: juicycleff

docs/src/lib/build-graph.ts

@@ -6,7 +6,7 @@ export function buildGraph(): Graph {
   const graph: Graph = { links: [], nodes: [] };
 
   for (const page of pages) {
-    if (page.data.type === 'openapi') continue;
+    if ((page.data as any).type === 'openapi') continue;
 
     graph.nodes.push({
       id: page.url,