Added a script for a random rainbow hostname

hostname/rainbow.meta.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+export IFS=$'\n'
+
+__builder_prebuild() {
+  NAME=$(hostname)
+  OUTPUT_STRING="""$(
+  for (( I=0; I < ${#NAME}; I++)); do
+    printf '\\\[\e[38;5;%dm\\\]%s' $((${RANDOM}%224+8)) "${NAME:$I:1}"
+  done
+  )"""
+  set -x
+  sed 's/___ALT_HOSTNAME___/'${OUTPUT_STRING}'/' data/sd-template.sh > tmp-ps1.sh
+	#ln -s logos/tachikoma-ref-b.png.sh ./logo.sh
+
+  
+}
+
+__builder_postbuild() {
+	set -x
+	rm tmp-ps1.sh
+}
+