Update: add first-level heading 'Contributor Project'

docs/Sensor/SeeedStudio_XIAO/SeeedStudio_XIAO_ESP32S3/XIAO-ESP32S3-Zephyr-RTOS.md

@@ -399,6 +399,12 @@ Let's dive into this example a bit to see why it works:
 
 The app overlay file is used to setup various board components. Using this file the SHT31 example can be utilized as the overlay informs the [sample logic](https://github.com/zephyrproject-rtos/zephyr/blob/main/samples/sensor/sht3xd/src/main.c) how to configure the sensor for our board.
 
+## ✨ Contributor Project
+
+- This project is supported by the Seeed Studio [Contributor Project](https://github.com/orgs/Seeed-Studio/projects/6/views/1?pane=issue&itemId=56649975).
+- Thanks **Tim's efforts** and your work will be [exhibited](https://wiki.seeedstudio.com/Honorary-Contributors/).
+
+
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