Add evaluation results on the plain_text config of squad

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Your model has been evaluated on the plain_text config of the [squad](https://huggingface.co/datasets/squad) dataset by

@saminaminaeheh

, using the predictions stored [here](https://huggingface.co/datasets/autoevaluate/autoeval-staging-eval-squad-plain_text-d52fee-14655993).\
Accept this pull request to see the results displayed on the [Hub leaderboard](https://huggingface.co/spaces/autoevaluate/leaderboards?dataset=squad).\
Evaluate your model on more datasets [here](https://huggingface.co/spaces/autoevaluate/model-evaluator?dataset=squad).

README.md

@@ -20,6 +20,14 @@ model-index:
       type: loss
       value: 1.073493242263794
       verified: true
+    - name: Exact Match
+      type: exact_match
+      value: 80.0853
+      verified: true
+    - name: F1
+      type: f1
+      value: 87.606
+      verified: true
 ---
 
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