[BasicUI] Update the content of the default cfg file (#2269)

Add missing settings.

Fix #2261

Signed-off-by: Laurent Garnier <lg.hc@free.fr>

features/openhab-ui-external/src/main/resources/conf/basicui.cfg

@@ -1,15 +1,34 @@
 # Defines the UI theme.
 #
-#theme=default
+#theme=bright
 
 # Defines whether UI renders icons for the widgets or not.
 #
 #enableIcons=true
 
+# If enabled, any SVG icon provided by the openHAB icon server will automatically be converted to an
+# inline SVG in the WEB page, allowing control of its color with the sitemap widget property "iconcolor"
+# in the case where the SVG icon sets "currentColor" as the fill color. Note that this will work with
+# custom SVG icons but not with all the packaged icons from the classic iconset since they are defined
+# with a hard-coded color palette.
+# This feature is disabled by default due to additional non-standard processing required leading to a
+# larger page size and because it is unnecessary if you only use Material/framework7/iconify icons or
+# openHAB icons from the classic icon set.
+#inlineSvg=false
+
+# If enabled, the UI will render iconify icons directly by downloading them from the Internet and
+# caching them in the WEB browser. If disabled, the UI will use the standard method by requesting the
+# server icon proxy and assuming iconify icons are installed on the server. Default is disabled
+#enableIconify=false
+
 # When enabled, changes the layout so that more widgets can fit on the screen.
 #
 #condensedLayout=false
 
+# The number of columns to consider to fill the grid in large screen width (desktop) and medium
+# screen width (tablet).
+#nbColumns=3-2
+
 # Displays all widget states in uppercase.
 #
 #capitalizeValues=false