Adding thermostat project from https://github.com/quartiq/thermostat-eem

Author: ryan-summers

README.md

@@ -1263,6 +1263,7 @@ Work in progress crates. Help the authors make these crates awesome!
 - [air-gradient-pro-rs](https://github.com/jonlamb-gh/air-gradient-pro-rs): Bootloader, firmware and CLI tools for the AirGradient PRO
 - [Stabilizer](https://github.com/quartiq/stabilizer): Firmware for a DSP tool used in quantum physics experimentation, includes telemetry via MQTT and run-time configuration
 - [Booster](https://github.com/quartiq/booster): Firmware for an RF power amplifier, including telemetry via MQTT and run-time configuration
+- [Thermostat EEM](https://github.com/quartiq/thermostat-eem): Firmware for a multi-channel temperature controller used in physics experiments
 
 
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