Update docs for W'eau 13kW pool heatpump

PR #429

ACKNOWLEDGEMENTS.md

@@ -188,3 +188,4 @@ Further device support has been made with the assistance of users.  Please consi
 - [rafazundt](https://github.com/rafazundt) for assisting with support for AOFO ZLD and other 4-way+USB powerstrips, and iH001 LED controllers.
 - [robertvanroosmal](https://github.com/robertvanroosmal) for assisting with support for Abalon smart curtains.
 - [garry0garry](https://github.com/garry0garry) for assisting with support for Emax EM3378 weather station.
+- [abroeders](https://github.com/abroeders) for contributing support for a 13kW variant of W'eau pool heatpump.

DEVICES.md

@@ -49,7 +49,7 @@
 - Madimack(model unknown) pool heatpump (seems to match Fairland IPH45 as well)
 - Poolex Silverline, Q-line and Vertigo heatpumps
 - Remora pool heatpump
-- W'eau pool heatpump
+- W'eau pool heatpump (simple model and a more complex 13kW model)
 
 - these seem to use a small number of common controllers with minor variations, and many other Pool heatpumps will work using the above configurations.
   Report issues if there are any differences in presets or other features,