addding some great plugins to be preinstalled

and running fbt format, and fixing TOTP printf format

applications/plugins/totp/services/hmac/memxor.c

@@ -0,0 +1,32 @@
+/* memxor.c -- perform binary exclusive OR operation of two memory blocks.
+   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Simon Josefsson.  The interface was inspired by memxor
+   in Niels Möller's Nettle. */
+
+/* #include <config.h> */
+
+#include "memxor.h"
+
+void* memxor(void* /*restrict*/ dest, const void* /*restrict*/ src, size_t n) {
+    char const* s = (char const*)src;
+    char* d = (char*)dest;
+
+    for(; n > 0; n--) *d++ ^= *s++;
+
+    return dest;
+}