Nibe-mqtt

What's Changed
- Add `word_swap` setting into configuration yaml. Should match the setting in Nibe service menu 5.3.11 (`modbus settings`)
- Bump [Nibe](https://github.com/yozik04/nibe/tree/0.4.0) lib version to **0.4.0**

**Full Changelog**: https://github.com/yozik04/nibe-mqtt/compare/0.1.1...0.2.0

What's Changed
- Bump [Nibe](https://github.com/yozik04/nibe/tree/0.3.2) lib version to **0.3.2**
- Fixing MQTT disconnect callback

**Full Changelog**: https://github.com/yozik04/nibe-mqtt/compare/0.1.0...0.1.1

What's Changed
- Bump [Nibe](https://github.com/yozik04/nibe/tree/0.3.1) lib version to **0.3.1**
- Adding retry for read and write commands
- Support for modbus connection method
- Don't wait for interval seconds before polling the first time by rtitmuss in https://github.com/yozik04/nibe-mqtt/pull/2
- Other small changes

**Full Changelog**: https://github.com/yozik04/nibe-mqtt/compare/0.0.1...0.1.0