Implement 40250 classic client port

tools/40250/prepare_runtime.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+set -eu
+
+server_root=${MT40250_ROOT:-/usr/metin2}
+runtime="$server_root/server"
+if [ "$(uname -s)" != "FreeBSD" ]; then
+	echo "prepare_runtime.sh: runtime binaries are FreeBSD-only" >&2
+	exit 2
+fi
+if [ ! -x "$runtime/install.sh" ]; then
+	echo "prepare_runtime.sh: missing $runtime/install.sh" >&2
+	exit 2
+fi
+
+cd "$runtime"
+sh ./install.sh
+echo "40250 runtime links and log/core directories ready under $runtime"