Fix unbound reload issue (twas a file permission issue) and add basic ad blocking

unbound/local-data-file-generator

@@ -1,6 +1,6 @@
-#!/bin/sh
+#!/usr/local/bin/bash
 
-set -eu
+set -euo pipefail
 
 AWK_SCRIPT=$(cat << 'EOF'
 /^[ \t]*[^ \t]+[ \t]+([0-9]{1,3}\.){3}[0-9]{1,3}[ \t]*$/ {