An implementation for a BrokerConnection based on mqtt_client for homie_dart.
This library uses the mqtt_client package to implement a BrokerConnection for homie_dart. Most users want to use this packge instead of homie_dart, since it comes with all necessary mqtt logic. Users only need a dependency on this package, since it exports the homie_dart api. The BrokerConnection class added by this packages is MqttBrokerConnection