NuMaker connection with AWS IoT thru MQTT/HTTPS (Mbed OS 6)

Dependencies:   MQTT

Revision:
48:ffe503ce537d
Parent:
46:871e0ad86526
--- a/README.md	Mon Sep 19 17:47:47 2022 +0800
+++ b/README.md	Wed Feb 22 11:31:05 2023 +0000
@@ -10,6 +10,7 @@
 - [NuMaker-PFM-M487](https://developer.mbed.org/platforms/NUMAKER-PFM-M487/)
 - [NuMaker-IoT-M487](https://os.mbed.com/platforms/NUMAKER-IOT-M487/)
 - [NuMaker-M2354](https://os.mbed.com/platforms/NUMAKER-M2354/)
+- [NuMaker-IoT-M467](https://os.mbed.com/platforms/NUMAKER-IOT-M467/)
 
 ## Access and manage AWS IoT Service
 To run the example, you need to register one [AWS account](https://aws.amazon.com/)