Added missing transaction group export

Author: rg911

src/infrastructure/infrastructure.ts

@@ -58,3 +58,4 @@ export * from './paginationStreamer/Searcher';
 export * from './paginationStreamer/TransactionPaginationStreamer';
 export * from './TransactionStatusHttp';
 export * from './TransactionStatusRepository';
+export * from './TransactionGroup';