* add HeatingProgram type
* use HeatingProgram type
* add heatpump number sensors
* use HeatingProgram type
* Update strings.json
* rename HeatingProgram to Program
* remove commented code
* rename heating program type
* simplify
* Apply suggestions from code review
* Update strings.json
* Update const.py
* fix
* add heating program type
* correct imports
* Revert "fix"
This reverts commit 857dda59da.
* Apply suggestions from code review
* Update strings.json