[Liger Kernel] Collab on efficient alignemnt kernels

[ByronHsu]

Great work on turbo-alignment! We are recently working on chunk based alignment kernel aiming to boost the efficiency of alignment training. I think you folks might be interested in and i would love to have you as the early adopter.

More context:

1. [RFC] Liger FlexChunkLoss: Alignment and Distillation loss linkedin/Liger-Kernel#371
2. Add Chunked ORPO Loss linkedin/Liger-Kernel#362

If you are interested. we can chat on Linkedin https://www.linkedin.com/in/byronhsu1230/