update packages and add valign

scripts/reveal.js/plugin/search/index.ts

@@ -0,0 +1,15 @@
+import type { RevealPlugin } from 'reveal.js';
+
+// @ts-expect-error The runtime implementation remains in JS during the migration.
+import SearchImplementation from './plugin.js';
+
+export interface SearchPlugin extends RevealPlugin {
+	id: 'search';
+	open(): void;
+	close(): void;
+	toggle(): void;
+}
+
+const Search = SearchImplementation as () => SearchPlugin;
+
+export default Search;