Update 'palette-gen.js'

Makefile

@@ -0,0 +1,23 @@
+
+SRCDIR:= img
+DSTDIR:= build
+SOURCES := $(shell find ${SRCDIR} -type f -print)
+FILES := $(patsubst $(SRCDIR)/%,$(DSTDIR)/%,$(SOURCES))
+
+all: $(FILES)
+
+palette.out: palette.in
+	node palette-gen.js
+
+builddir:
+	@mkdir -p build
+	@mkdir -p build/gif
+
+build/%: img/% builddir palette.out 
+	repalette $< $@ -p $$(cat palette.out) --dither $(DITHER)
+
+build/%.gif: img/%.gif builddir palette.out
+	gifsicle --use-colormap gifpalette.out < $< > $@
+
+clean:
+	@rm -rf palette.in palette.out build