Add time to the sensor list widget, also broadcast and recive the time of a sensor

src/ui/mainwindow.cpp

@@ -54,6 +54,8 @@ MainWindow::MainWindow(MainObject * const mainObject, QWidget *parent) :
 
 	connect(ui->pushButton_addItem, &QPushButton::clicked, this, &MainWindow::showItemCreationDialog);
 	connect(ui->relayList, &ItemScrollBox::deleteRequest, &mainObject->items, &ItemStore::removeItem);
+
+	ui->splitter->setStretchFactor(1, 1);
 }
 
 MainWindow::~MainWindow()