Finish group chat wrapper

fileTransfer2/e2e/listener.go

fileTransfer2/e2e/manager.go

fileTransfer2/e2e/manager_test.go

fileTransfer2/e2e/send.go

fileTransfer2/groupChat/manager.go

fileTransfer2/groupChat/manager_test.go

fileTransfer2/groupChat/processor.go

fileTransfer2/groupChat/send.go

fileTransfer2/groupChat/utils_test.go

fileTransfer2/interface.go

fileTransfer2/manager.go

fileTransfer2/manager_test.go

fileTransfer2/store/received.go

fileTransfer2/store/receivedTransfer.go

fileTransfer2/store/receivedTransfer_test.go

fileTransfer2/store/received_test.go

fileTransfer2/store/sent.go

fileTransfer2/store/sentTransfer.go

fileTransfer2/store/sentTransfer_test.go

fileTransfer2/store/sent_test.go