docs: for PR #5690

ACKNOWLEDGEMENTS.md

@@ -937,3 +937,4 @@ Further device support has been made with the assistance of users. Please consid
 - [jrhrsmit](https://github.com/jrhrsmit) for contributing support for Blaupunkt XBoost robot vacuum.
 - [SiwatS](https://github.com/SiwatS) for contributing support for Kogan heater fan.
 - [pranksta02](https://github.com/pranksta02) for contributing support for Aquatech X8 Fusion water heater.
+- [matisere38](https://github.com/matisere38) for contributing support for BWT Energy Saver pool controller.

DEVICES.md

@@ -1332,6 +1332,7 @@ port and password.
 - Bresser Smart 7-in-1 weather station
 - Bresser Smart Thermo-hygrometer
 - BW salt pool chlorinator
+- BWT Energy Saver pool pump controller
 - Chtoocy MC82 refrigerator thermometer
 - CO2-Box air quality monitor
 - CO2v1 carbon dioxide sensor