Add a new server to the list.

def add_server(self, name, ip, port):
        """Add a new server to the list."""
        new_server = {
            'key': name,  # Zeroconf name with both hostname and port
            'name': name.split(':')[0],  # Short name
            'ip': ip,  # IP address seen by the client
            'port': port,  # TCP port
            'username': 'glances',  # Default username
            'password': '',  # Default password
            'status': 'UNKNOWN',  # Server status: 'UNKNOWN', 'OFFLINE', 'ONLINE', 'PROTECTED'
            'type': 'DYNAMIC'}  # Server type: 'STATIC' or 'DYNAMIC'
        self._server_list.append(new_server)
        logger.debug("Updated servers list (%s servers): %s" %
                     (len(self._server_list), self._server_list))