update packages and add valign

scripts/reveal.js/dist/plugin/markdown.d.ts

@@ -0,0 +1,21 @@
+import { MarkdownConfig, RevealPlugin } from 'reveal.js';
+import { Marked } from 'marked';
+export interface MarkdownSlidifyOptions {
+    separator?: string | null;
+    verticalSeparator?: string | null;
+    notesSeparator?: string;
+    attributes?: string;
+}
+export interface MarkdownOptions extends MarkdownConfig {
+    animateLists?: boolean;
+}
+export interface MarkdownPlugin extends RevealPlugin {
+    id: 'markdown';
+    processSlides(scope: ParentNode): Promise<void[]>;
+    convertSlides(): Promise<void>;
+    slidify(markdown: string, options?: MarkdownSlidifyOptions): string;
+    readonly marked: Marked | null;
+    readonly markdownOptions: MarkdownOptions;
+}
+declare const Markdown: () => MarkdownPlugin;
+export default Markdown;