added basic support for Rothult ST cards

client/src/cmdhfst.h

@@ -0,0 +1,19 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2020 iceman1001
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// High frequency ISO14443A / ST  commands
+//-----------------------------------------------------------------------------
+
+#ifndef CMDHFST_H__
+#define CMDHFST_H__
+
+#include "common.h"
+
+int CmdHF_ST(const char *Cmd);
+
+int infoHF_ST(void);
+#endif