refactor: migrate parsers to TS (#133)

* dev: finish top-level parsers TS migration

* dev: migrate menu renderers to TS

* chore: fix ts errors

* dev: finish ts migration 🎉

src/parser/classes/livechat/AddLiveChatTickerItemAction.ts

@@ -0,0 +1,17 @@
+import Parser from '../../index';
+import { YTNode } from '../../helpers';
+
+class AddLiveChatTickerItemAction extends YTNode {
+  static type = 'AddLiveChatTickerItemAction';
+
+  item;
+  duration_sec;
+
+  constructor(data: any) {
+    super();
+    this.item = Parser.parseItem(data.item);
+    this.duration_sec = data.durationSec;
+  }
+}
+
+export default AddLiveChatTickerItemAction;