fix(site): Search (#10023)

* Push

* Take in all sections

sites/svelte.dev/src/routes/content.json/content.server.js

@@ -48,14 +48,12 @@ export async function content() {
 		const intro = sections?.shift()?.trim();
 		const rank = +metadata.rank;
 
-		if (intro) {
 		blocks.push({
 			breadcrumbs: [...breadcrumbs, removeMarkdown(metadata.title ?? '')],
 			href: get_href([slug]),
 			content: await plaintext(intro),
 			rank
 		});
-		}
 
 		for (const section of sections) {
 			const lines = section.split('\n');