WIP: Add skeleton for MQTT extension based on part of OPC-UA extension.
For now generated code makes no sense but persistently-configurable-C-generating-extension infrastructure is there.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz
# Copyright (C) 2019: Edouard TISSERANT
#
# See COPYING file for copyrights details.
from svghmi.svghmi import *