Add MRAIRR/Nextstage to eval queue

MRAIRR/Nextstage_eval_request_False_float16_Original.json

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+{"model": "MRAIRR/Nextstage", "base_model": "mistralai/Mistral-7B-v0.1", "revision": "main", "private": false, "precision": "float16", "weight_type": "Original", "status": "PENDING", "submitted_time": "2023-11-01T03:26:01Z", "model_type": "\u2b55 : instruction-tuned"}