docs: for PR #6262

ACKNOWLEDGEMENTS.md

@@ -975,3 +975,4 @@ Further device support has been made with the assistance of users. Please consid
 - [ozgurclcc](https://github.com/ozgurclcc) for contributing support for Vibrix PureFlow30 air purifier.
 - [meeowgler](https://github.com/meeowgler) for contributing support for EA dual zone car fridge.
 - [hudsonbrendon](https://github.com/hudsonbrendon) for contributing support for Ekaza EKAV-T229Z door lock.
+- [tarzan77cz](https://github.com/tarzan77cz) for contributing support for MG2-6HW breathing mmWave radar.

DEVICES.md

@@ -1432,6 +1432,7 @@ port and password.
 - Manta Windy MT0200B weather station
 - Mayborn GroClock Connect sleep training alarm clock (also sold under Tommee Tippee and other brands)
 - ME201W level sensor
+- MG2-6HW breathing mmWave radar
 - Mirabella Genio motion sensor
 - Moes human presence sensor
 - Moes single outlet water timer