Problem with _pages/about.md

[PhilCorney]

URL: https://www.mlplatform.org/about/

Hi,
The links for Arm NN and Compute Library are going to the wrong page in developer.arm.com

Mlplatform link - https://developer.arm.com/products/processors/machine-learning/arm-nn
Developer link - https://developer.arm.com/Tools%20and%20Software/ArmNN

Mlplatform link - https://developer.arm.com/technologies/compute-library
Developer link - https://developer.arm.com/Tools%20and%20Software/Compute%20Library