[EVAL] Add TUMLU benchmark #577

Hello!
We just released the benchmark for Turkic languages. Does it make sense if I add it to lighteval?

Evaluation short description

• Why is this evaluation interesting?
  First native-language MMLU benchmark for low-resource Turkic languages.

• How is it used in the community?
  Just released, MC high-school exam questions

Evaluation metadata

Provide all available

• Paper url: https://arxiv.org/abs/2502.11020
• Github url: https://github.com/ceferisbarov/TUMLU
• Dataset url: