Add verifyToken field to verify evaluation results are produced by Hugging Face's automatic model evaluator

Beep boop, I am a bot from Hugging Face's automatic model evaluator 👋! We've added a new `verifyToken` field to your evaluation results to verify that they are produced by the model evaluator. Accept this PR to ensure that your results remain listed as **verified** on the [Hub leaderboard](https://huggingface.co/spaces/autoevaluate/leaderboards).

README.md

@@ -1,9 +1,9 @@
 ---
 language:
 - en
+license: apache-2.0
 tags:
 - question-answering
-license: "apache-2.0"
 datasets:
 - adversarial_qa
 - mbartolo/synQA
@@ -23,14 +23,16 @@ model-index:
       config: plain_text
       split: validation
     metrics:
-    - name: Exact Match
-      type: exact_match
+    - type: exact_match
       value: 89.4158
+      name: Exact Match
       verified: true
-    - name: F1
-      type: f1
+      verifyToken: eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJoYXNoIjoiNzk4ZDNiZGE2YTYyMWZlOWZjMWVjNTFhNjZhNDkwZjQzN2QwNGZhZDViMDA5NTg5Yzc3ODQ1OGY2MzkwOGUxYSIsInZlcnNpb24iOjF9.1NIJWXAJEOwMj8hzyY847s3NPhFzQJNX6EDZS4UE_2ViLZu8HINwJcvqw_bnNI6lbuMPgrRIXr3Or2mPU67OAw
+    - type: f1
       value: 94.7851
+      name: F1
       verified: true
+      verifyToken: eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJoYXNoIjoiNmJjZTVjODZkNTA5ZThmZGQyODgwOWZlMzQ1MWViMjFjOTM1ODNkNTJhOGJhMzE0MTAxNDhiOWIyNmE0YWVhNyIsInZlcnNpb24iOjF9.fKCT4m04P5bl50PHXke63d8bwofIXLYlP-xRwen9f1Z0Y4tEzBVJzOr-1Z6SaTUUsmRAdhYu6ifL5u7ImlDyCw
 ---
 
 # Model Overview