chore: clean up build steps

src/parser/classes/livechat/AddChatItemAction.js

@@ -0,0 +1,13 @@
+import Parser from '../../index';
+
+import { YTNode } from '../../helpers';
+
+class AddChatItemAction extends YTNode {
+  static type = 'AddChatItemAction';
+  constructor(data) {
+    super();
+    this.item = Parser.parseItem(data.item);
+    this.client_id = data.clientId || null;
+  }
+}
+export default AddChatItemAction;