Initial README.md for QTemp32 demo firmware.

Author: nthnn

demo/qtemp32/README.md

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+# QTemp32
+
+Demo temperature recording with ESP32 and DHT11 using QLBase.
+
+## Firmware Libraries Used
+
+- [bblanchon/ArduinoJson](https://github.com/bblanchon/ArduinoJson) - JSON library for Arduino and embedded C++. Simple and efficient.
+- [nthnn/DynaConfig](https://github.com/nthnn/DynaConfig) - Arduino WiFi dynamic configuration library for ESP32 using captive portal authentication.
+- [DFRobot/DFRobot_DHT11](https://github.com/DFRobot/DFRobot_DHT11) - DHT11 is used to read the temperature and humidity of the current environment.