Add zbar-tools to installation script

dconf-settings.ini

@@ -1,6 +1,3 @@
-[/org/gtk/settings/file-chooser]
-clock-format='12h'
-
 [org/gnome/desktop/background]
 color-shading-type='solid'
 picture-options='zoom'

install.sh

@@ -81,6 +81,7 @@ if $desktop; then
       taskwarrior # Task manager
       mutt        # Email client
       pass-otp    # Password manager
+      zbar-tools  # QR code reader
    )
 fi