Add sample configuration for workspaces to weston.ini

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
diff --git a/weston.ini b/weston.ini
index 99d24dd..cb88eba 100644
--- a/weston.ini
+++ b/weston.ini
@@ -6,6 +6,7 @@
 locking=true
 animation=zoom
 #binding-modifier=ctrl
+#num-workspaces=6
 
 #type=tablet-shell.so
 #lockscreen-icon=/usr/share/icons/gnome/256x256/actions/lock.png