* Add and use speed constants
* Add and use meter based volume and area constants
* Add and use more mass unit constants
* Add and use concentration unit constants
* Add and use watts per square meter constant
* Use more time constants
* Use more data constants
* Added DSMR Reader platform
- Added DSMR Reader platform
- Updated codeowners for other components I added earlier
* Move sensor definitions to new file
* Sensor definitions in new file
* Add energy prices from MQTT
* lint fixes
* Black formatted some files
* Update .coveragerc
* Support transform methods on definitions
* Manifest mangled by Black, fixed
* Visual studio code reformatting dictionary error
* Fix issues with code, remove unrelated manifest changes
* Update CODEOWNERS