Updated years

README.md

@@ -148,5 +148,5 @@ The commands can be sent via the Serial interface, from the webpage or via MQTT.
 
 ## License
 
-Copyright © 2021, [HfT Stuttgart](https://www.hft-stuttgart.de/)
+Copyright © 2022, [HfT Stuttgart](https://www.hft-stuttgart.de/)
 [GPLv3](https://choosealicense.com/licenses/gpl-3.0/)

ampel-firmware/ampel-firmware.ino

@@ -19,7 +19,7 @@
 /*
  * This file is part of the "CO2 Ampel" project ( https://transfer.hft-stuttgart.de/gitlab/co2ampel and
  * https://transfer.hft-stuttgart.de/gitlab/co2ampel/ampel-firmware )
- * Copyright (c) 2020 HfT Stuttgart.
+ * Copyright (c) 2022 HfT Stuttgart.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by