feat(parser): Add PageHeader (#450)

src/parser/classes/PageHeaderView.ts

@@ -0,0 +1,17 @@
+import { YTNode } from '../helpers.js';
+import Parser, { type RawNode } from '../index.js';
+import ContentPreviewImageView from './ContentPreviewImageView.js';
+import DynamicTextView from './DynamicTextView.js';
+
+export default class PageHeaderView extends YTNode {
+  static type = 'PageHeaderView';
+
+  image: ContentPreviewImageView | null;
+  title: DynamicTextView | null;
+
+  constructor(data: RawNode) {
+    super();
+    this.image = Parser.parseItem(data.image, ContentPreviewImageView);
+    this.title = Parser.parseItem(data.title, DynamicTextView);
+  }
+}