Improve code quality more code comments

Jannickrequested to merge
feature/dataPresentFlag into main

Summary

energyMatrix.h

  • getPriceColor use VERY_CHEAP for non-negative in for statement.
  • Add comprehensive doxygen header

Type of change

  • Dependency/toolchain upgrade
  • Bugfix (fixes an issue)
  • New feature (which adds functionality)
  • Code quality improvements to existing code or addition of tests

Impact

Additional information

Testing

Validated config in ESPHome dashboard

Merge request reports