Nicla Vision Added to requirements

Author: mcmchris

content/hardware/04.pro/shields/portenta-vision-shield/tutorials/speech-recognition-engine/content.md

@@ -57,6 +57,7 @@ In case you are interested in unlocking the full potential of the tool, the tuto
 To use the Arduino Speech Recognition Engine, you will need one of the following boards:
 
 - [Arduino Portenta H7 (any variant)](https://store.arduino.cc/portenta-h7) + Portenta Vision Shield ([LoRa](https://store.arduino.cc/products/arduino-portenta-vision-shield-lora%C2%AE) or [Ethernet](https://store.arduino.cc/products/arduino-portenta-vision-shield-ethernet))
+- [Arduino Nicla Vision](https://store.arduino.cc/products/nicla-vision)
 - [Arduino Nano 33 BLE Sense Rev 1](https://store.arduino.cc/products/arduino-nano-33-ble-sense)
 - [Arduino Nano 33 BLE Sense Rev 2](https://store.arduino.cc/products/nano-33-ble-sense-rev2)
 - [Arduino Nano RP2040](https://store.arduino.cc/products/arduino-nano-rp2040-connect)