Merge pull request #2115 from arduino/mcmchris/plc-ide-intro/soft-requirements

[PC-1926] PLC IDE Instructions Software Req Update

Author: mcmchris

content/software/plc-ide/tutorials/plc-programming-introduction/content.md

@@ -29,6 +29,9 @@ The goals of this tutorial are:
 
 - [Opta™ Lite](https://store.arduino.cc/products/opta-lite), [Opta™ RS485](https://store.arduino.cc/products/opta-rs485), or [Opta™ WiFi](https://store.arduino.cc/products/opta-wifi) (x1)
 - [Portenta Machine Control](https://store.arduino.cc/products/arduino-portenta-machine-control)
+- [PLC IDE](https://www.arduino.cc/pro/software-plc-ide)
+
+***If you have previously used your Opta or Portenta Machine Control with the Arduino IDE, or it is your first use, you must follow the [Memory Partitioning tutorial](https://docs.arduino.cc/tutorials/opta/memory-partitioning/) to ensure a fluent and functional experience with the PLC IDE.***
 
 ### Arduino PLC IDE User Manual