Fix create.sh script

Author: def-

client/create.sh

@@ -1,5 +1,4 @@
-#!/usr/bin/env bash
-shopt -s globstar
+#!/usr/bin/env zsh
 DIR="${0%/*}"
 
 echo "<!-- THIS FILE IS AUTOMATICALLY GENERATED BY https://github.com/ddnet/ddnet-scripts/tree/master/client , DON'T EDIT IT BY HAND -->"