Sml2mqtt

Allow rounding to the multiple of a value

- Updated dependencies and docs
- Allow rounding to the tenth

Automatically select CRC (e.g. works out of the box for Holley DTZ541)

- Updated dependencies
- Added some small log messages

3.0-docker

**BREAKING CHANGE**
- Almost complete rewrite, requires at least Python 3.10
- Extensive value processing which can be configured -> Config file changed
- Support for tibber pulse out of the box
- The analyze flag can also be set through an environment variable which makes it easier for docker users

Small config improvements