updated readme

.config/lf/lfrc

@@ -1,5 +1,5 @@
 set icons true
-set previewer ~/.local/bin/lfpreview
+set previewer ~/.config/lf/scripts/lfpreview
 cmd on-select &{{
   exec lf -remote 'redraw'
 }}

.config/lf/scripts/lfpreview

@@ -0,0 +1,26 @@
+#!/bin/sh
+draw() {
+  kitten icat --stdin no --transfer-mode memory \
+    --place "${w}x${h}@${x}x${y}" "$1" </dev/null >/dev/tty
+}
+
+file="$1"
+w="$2"
+h="$3"
+x="$4"
+y="$5"
+
+case "$(file -Lb --mime-type "$file")" in
+image/*)
+  draw "$file"
+  ;;
+application/pdf)
+  pdftoppm -f 1 -singlefile "$file" "/tmp/lfoutput"
+  draw "/tmp/lfoutput.ppm"
+  ;;
+*)
+  bat --color=always "$1"
+  ;;
+esac
+
+exit 1 # do not cache