Custom UE5 build link is broken

[holdmydrink1]

https://github.com/Oculus-VR/UnrealEngine/tree/oculus-5.1 leads to a 404 error page

[AlexThiv]

As Noted in our Readme Build Instructions you need access to Epic's GitHub.

3. This project requires the Oculus fork of the UE5.1 game engine that you can find here.
   NOTE: access to the Oculus fork requires access to Epic's GitHub.