update lf config

config/.config/lf/lfrc

@@ -6,7 +6,7 @@ set incsearch
 set number
 set relativenumber
 set wrapscroll
-set hidden
+set drawbox
 
 set previewer ~/.config/lf/preview.sh
 set cleaner ~/.config/lf/clean.sh
@@ -16,6 +16,10 @@ cmd mkdir ${{
   mkdir -p "$1"
 }}
 
+cmd set-wallpaper ${{
+  set-wallpaper "./$1" &> /dev/null
+}}
+
 ### Mappings
 map <enter> toggle
 map <space> toggle