New tool, to give admin status to a user: dnsmanager-admin

bin/dnsmanager-admin

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+if [ $# -lt 1 ]
+then
+	echo "Usage: $0 file.json"
+	exit 1
+fi
+
+jq .admin=true < $1 > $1.new
+mv $1.new $1