refactor(parser): type YTNodes' data arg as RawNode (wip) (#339)

* replaced YTNode's data arg as RawNode

* updated documentation

* removed unused import

---- Note that there are still many nodes that need to be updated, hence the WIP status.

src/parser/classes/menus/MultiPageMenuNotificationSection.ts

@@ -1,12 +1,12 @@
 import Parser from '../../index.js';
 import { YTNode } from '../../helpers.js';
-
+import type { RawNode } from '../../index.js';
 class MultiPageMenuNotificationSection extends YTNode {
   static type = 'MultiPageMenuNotificationSection';
 
   items;
 
-  constructor(data: any) {
+  constructor(data: RawNode) {
     super();
     this.items = Parser.parse(data.items);
   }