Switch to side-by-side view

--- a/src/qtgui/recollmain.ui.h
+++ b/src/qtgui/recollmain.ui.h
@@ -776,6 +776,11 @@
     QMessageBox::information(this, tr("About Recoll"), vstring.c_str());
 }
 
+void RecollMain::startManual()
+{
+    startHelpBrowser();
+}
+
 
 void RecollMain::showDocHistory()
 {