Add Writer/palmyra-med-20b to eval queue

Writer/palmyra-med-20b_eval_request_False_float16_Original.json

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+{"model": "Writer/palmyra-med-20b", "base_model": "", "revision": "11a7a284be8767d3b8b89e29a20d9c02706950c4", "precision": "float16", "weight_type": "Original", "status": "PENDING", "submitted_time": "2024-05-16T15:16:03Z", "model_type": "\ud83d\udfe2 : pretrained", "likes": 29, "params": 0, "license": "apache-2.0", "private": false}