Add supported boards confirmed by our friendly users

Author: takasehideki

README.md

@@ -13,11 +13,15 @@ Please also check [mros2 repository](https://github.com/mROS-base/mros2) for mor
   - Boards
     - For now, these boards below are confirmed to run the example on them.
       - [ESP32-S3-DevKitC-1](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/hw-reference/esp32s3/user-guide-devkitc-1.html)
-    - These boards below are also confirmed but not always supported in the latest version (due to our development resources,,,).
+    - These boards below are also confirmed by the development team, but not always supported in the latest version (due to our development resources,,,).
       - [M5Stack Basic](http://docs.m5stack.com/en/core/basic)
       - [M5Stack Core2](http://docs.m5stack.com/en/core/core2)
       - [M5Stack CoreS3](http://docs.m5stack.com/en/core/CoreS3)
-      - [XIAO ESP32C3](https://www.seeedstudio.com/Seeed-XIAO-ESP32C3-p-5431.html) (see [#7](https://github.com/mROS-base/mros2-esp32/issues/7))
+    - These boards were confirmed to operate by our friendly users (any PRs are welcome to add this list based on your experience!!)
+      - [Seeed Studio XIAO ESP32C3](https://www.seeedstudio.com/Seeed-XIAO-ESP32C3-p-5431.html) (see [#7](https://github.com/mROS-base/mros2-esp32/issues/7))
+      - [ESP32-C6-DevKitC-1](https://docs.espressif.com/projects/esp-dev-kits/en/latest/esp32c6/esp32-c6-devkitc-1/user_guide.html) (see [#21](https://github.com/mROS-base/mros2-esp32/issues/21))
+      - [Seeed Studio XIAO ESP32C6](https://www.seeedstudio.com/Seeed-Studio-XIAO-ESP32C6-p-5884.html) (see [#23](https://github.com/mROS-base/mros2-esp32/issues/23))
+      - [Seeed Studio XIAO ESP32S3](https://www.seeedstudio.com/XIAO-ESP32S3-p-5627.html) (see [#24](https://github.com/mROS-base/mros2-esp32/issues/24))
   - SDK: [ESP-IDF](https://docs.espressif.com/projects/esp-idf/en/stable/esp32/index.html)
   - Kernel: [ESP-IDF FreeRTOS](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/freertos_idf.html)
 - Host environment