Add NousResearch/Llama-2-7b-chat-hf to eval queue

NousResearch/Llama-2-7b-chat-hf_eval_request_False_float32_Original.json

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+{"model": "NousResearch/Llama-2-7b-chat-hf", "base_model": "", "revision": "main", "private": false, "precision": "float32", "weight_type": "Original", "status": "PENDING", "submitted_time": "2023-12-03T18:26:34Z", "model_type": "pretrained", "likes": 63, "params": 6.738, "license": null}