Docs for PRs

PR #1649, #1654

ACKNOWLEDGEMENTS.md

@@ -497,3 +497,5 @@ Further device support has been made with the assistance of users. Please consid
 - [Pel1can111](https://github.com/Pel1can111) for assisting with support for Timeguard WFPIR motion light controller.
 - [ShiGhost](https://github.com/ShiGhost) for assisting with support for Keyun RGB chandelier fans.
 - [knowc](https://github.com/knowc) for assisting with support for Hydrotherm Dynamic/X8 Gen 6 water heaters.
+- [Waz-Cpt](https://github.com/Waz-Cpt) for contributing support for a dual dimmer module.
+- [wizu](https://gitub.com/wizu) for contributing improvements to NAC AP470 purifier.

DEVICES.md

@@ -441,6 +441,7 @@ of device.
 - Generic "Dreamlight" RGBCW LED strips (tested with LSC RGBIC+CCT 2x5m LED strip)
 - Generic RGB only light bar - like the lights above, but no white light controls supported.
 - Unbranded 1CH dimmer module
+- Unbranded dual dimmer module
 - A60 1800-2700K RGBWW light
 - Atomi smart color string light
 - Blitzwolf BW-LT31 LED strip