Add testmod/koen-llama2-13b-dpotrain_testver to eval queue

testmod/koen-llama2-13b-dpotrain_testver_eval_request_False_float16_Original.json

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+{"model": "testmod/koen-llama2-13b-dpotrain_testver", "base_model": "", "revision": "main", "private": false, "precision": "float16", "weight_type": "Original", "status": "PENDING", "submitted_time": "2024-01-31T07:13:03Z", "model_type": "\ud83d\udfe6 : RL-tuned", "likes": 0, "params": 13.016, "license": "apache-2.0"}