Switch to side-by-side view

--- a/packaging/FreeBSD/recoll/pkg-plist
+++ b/packaging/FreeBSD/recoll/pkg-plist
@@ -22,6 +22,7 @@
 %%DATADIR%%/filters/rclxls
 %%DATADIR%%/images/document.png
 %%DATADIR%%/images/drawing.png
+%%DATADIR%%/images/folder.png
 %%DATADIR%%/images/html.png
 %%DATADIR%%/images/image.png
 %%DATADIR%%/images/message.png