lighteval

090101f1 - Adding support for Arabic benchmarks : AceGPT benchmarking suite (#44)

Adding support for Arabic benchmarks : AceGPT benchmarking suite (#44) Adds - `mmlu_harness_arabic` - `exams_harness_arabic` - `acva` as custom tasks. --------- Co-authored-by: Nathan Habib <30601243+NathanHB@users.noreply.github.com>