Adds RULER benchmark

[NathanHB]

https://github.com/NVIDIA/RULER

Available context size: 4096, 8192, 16384, 32768, 65536, 131072

uv run lighteval vllm "model_name=meta-llama/Llama-3.1-8B,dtype=bfloat16,max_model_length=131072" "lighteval|ruler_{context size}|0|0"

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[Jeronymous]

Has this PR been abandoned? Is there any plan to include RULER in lighteval?

[NathanHB]

hi @Jeronymous ! I answered on #1001