docs: for PR #3951

ACKNOWLEDGEMENTS.md

@@ -1111,3 +1111,4 @@ Further device support has been made with the assistance of users. Please consid
 - [fbesserp](https://github.com/fbesserp) for contributing improvements to Catit Pixi smart feeder.
 - [amotruk](https://github.com/amotruk) for contributing support for Mini-B Public litter box.
 - [p1x3lmx](https://github.com/p1x3lmx) for assisting with support for Ningbo BF314A camera pet feeder.
+- [sajtdavid](https://github.com/sajtdavid) for contributing support for CO2v1 carbon dioxide sensor.

DEVICES.md

@@ -1054,6 +1054,7 @@ port and password.
 - Bresser Smart 7-in-1 weather station
 - Bresser Smart Thermo-hygrometer
 - CO2-Box air quality monitor
+- CO2v1 carbon dioxide sensor
 - C30W gas leak detector
 - CT20W PIR motion detector
 - Dienmern DM165A noise meter