[fine_tuning] toolbox: fine_tuning_ray_fine_tuning_job: new toolbox command

[kpouget]

./run_toolbox.py fine_tuning ray_fine_tuning_job \
   --name=lora \
   --namespace=fine-tuning-testing \
   --pvc_name=fine-tuning-storage \
   --model_name=granite-7b-base \
   --dataset_name=twitter_complaints_small.json \
   --gpu=1 --cpu=16 --memory=64 --request_equals_limits=True --worker_replicas=7 \
   --ft-scripts-dir=projects/fine_tuning/toolbox/fine_tuning_ray_fine_tuning_job/files/ray-finetune-llm-deepspeed

(currently on works on the DGX, because of the dataset put manually in the PVC)

[openshift-ci]

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[kpouget]

test passed locally, merging.
Still a POC, detecting the pass/fail of the job is not working 100% correctly, and the dataset used by this fine-tuning needs to be manually generated and copied to the PVC. But the fine-tuning job runs :)