Add dithering script

dither.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# Default settings for dithering
+
+OUT_FILE="assets/images/${1%.*}.png"
+PALETTE='#1d2021 #3c3836 #665c54
+ #928374 #f9f5d7 #fbf1c7 #f2e5bc #d5c4a1 #a89984
+ #fb4934 #b8bb26 #fabd2f #83a598 #d3869b #8ec07c #fe8019 #cc241d
+ #98971a #d79921 #458588 #b16286 #689d6a #d65d0e #9d0006 #79740e
+ #b57614 #076678 #8f3f71 #427b58 #af3a03'
+
+didder -i $1 -o $OUT_FILE \
+--width 500 \
+--palette "$PALETTE" \
+edm --serpentine FloydSteinberg
+
+FILESIZE=$(stat -c %s $OUT_FILE)
+FILESIZE=$(expr $FILESIZE / 1024)
+echo "Written to $OUT_FILE (${FILESIZE}K)"
+
+which kitten > /dev/null && kitten icat $OUT_FILE