refactor!: import modules recursively

modules/programs/wallpaper/wallpaper.sh

@@ -5,7 +5,7 @@ WALLPAPERS=$(find "$WALLPAPERS_PATH" -type f,l)
 
 function help() {
 	echo "Usage:"
-  echo -e "  wallpaper [OPTIONS] [PATH]"
+	echo -e "  wallpaper [OPTIONS] [PATH]"
 	echo ""
 	echo "Options:"
 	echo -e "  -h, --help \n\t Show this help message and exit"
@@ -60,12 +60,12 @@ done
 set -- "${POSITIONAL[@]}" # restore positional arguments
 
 if [[ $# -gt 1 ]]; then
-  help
-  exit 1
+	help
+	exit 1
 fi
 
 if [[ $# -eq 1 ]]; then
-  WALLPAPER="$1"
+	WALLPAPER="$1"
 fi
 
 if [[ -z ${WALLPAPER+x} ]]; then