chore: import upstream snapshot with attribution

docs/app/[[...mdxPath]]/page.jsx

@@ -0,0 +1,25 @@
+import { generateStaticParamsFor, importPage } from 'nextra/pages';
+
+import { useMDXComponents } from '../../mdx-components';
+
+export const generateStaticParams = generateStaticParamsFor('mdxPath');
+
+export async function generateMetadata(props) {
+  const params = await props.params;
+  const { metadata } = await importPage(params?.mdxPath);
+  return metadata;
+}
+
+const Wrapper = useMDXComponents().wrapper;
+
+export default async function Page(props) {
+  const params = await props.params;
+  const result = await importPage(params?.mdxPath);
+  const { default: MDXContent, metadata, sourceCode, toc } = result;
+
+  return (
+    <Wrapper metadata={metadata} sourceCode={sourceCode} toc={toc}>
+      <MDXContent {...props} params={params} />
+    </Wrapper>
+  );
+}