Add evaluation results on the samsum config and test split of samsum

Beep boop, I am a bot from Hugging Face's automatic model evaluator 👋!\
Your model has been evaluated on the samsum config and test split of the [samsum](https://huggingface.co/datasets/samsum) dataset by

@sasha

, using the predictions stored [here](https://huggingface.co/datasets/autoevaluate/autoeval-eval-samsum-samsum-3cd2fc-93464145850).\
Accept this pull request to see the results displayed on the [Hub leaderboard](https://huggingface.co/spaces/autoevaluate/leaderboards?dataset=samsum).\
Evaluate your model on more datasets [here](https://huggingface.co/spaces/autoevaluate/model-evaluator?dataset=samsum).

README.md

@@ -2,6 +2,48 @@
 language: en
 tags:
 - summarization
+model-index:
+- name: google/pegasus-multi_news
+  results:
+  - task:
+      type: summarization
+      name: Summarization
+    dataset:
+      name: samsum
+      type: samsum
+      config: samsum
+      split: test
+    metrics:
+    - type: rouge
+      value: 11.537
+      name: ROUGE-1
+      verified: true
+      verifyToken: eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJoYXNoIjoiODc4Nzc2ZWZmNTIxYjg2NmE0YjRhYTgwOGY2NmEwMjAyNDM1YjI0NTA4YzY2ZWZlNDYyYjE3MWM4YWMwMGRiOCIsInZlcnNpb24iOjF9.l2XVWjHivBN7MS5InfJgC7CQ07HyDnZesPy2a-kSdO_jB1tcbJnmpCoz062e29KcU0WvX0q6Dour0hPKBnvUAA
+    - type: rouge
+      value: 2.103
+      name: ROUGE-2
+      verified: true
+      verifyToken: eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJoYXNoIjoiYjBjN2VjODgxYzkzYTk2MzRjZjNiOTA1YjUwYWI2MjZkOWMyODYxYjcxOGFhMTQxZWVlZDI2YzJlMjkyNDllMiIsInZlcnNpb24iOjF9.UU13yg8Ype-8mx1hDtEqcUCYZenuMgtDrR46hREAdVafLB_Ba20lGT8wA6uBk1VaDXy28vIPf98ttS0wqqIXDQ
+    - type: rouge
+      value: 8.1567
+      name: ROUGE-L
+      verified: true
+      verifyToken: eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJoYXNoIjoiYzJkODdhZWFiM2I2OTJkMTQ3MzdmMWYzOTA4ZTUzMWVkMTAwYjlkY2QwMDcyOWQzYTk5NTIyOTI4YTZhMjVlYyIsInZlcnNpb24iOjF9.Ougs8blrYMSKUK--6egVLKsUUj_xtlScfaS-klIjYLdVR3DDXrkWevx40Oa-CBLtWdKMZLMidnH2AAvARL08AA
+    - type: rouge
+      value: 10.3426
+      name: ROUGE-LSUM
+      verified: true
+      verifyToken: eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJoYXNoIjoiNWNiZjZkZTAwOTQ4ZTNlYjFiZTAyN2NhZDk0ZjZjYTc0ZjMzMWRlYWM2ZTU3ZGY0OGIyZjBmY2E3NjViOGE0ZiIsInZlcnNpb24iOjF9.Y4WI0FiioD1I6AiIxUUiUYmCpMdMuad6VKAHLVpQuFYPfxJ667lMhNMhbEo4Hi-SyqJ9Z6-bbgXnmjn5JjBJCA
+    - type: loss
+      value: 3.796414375305176
+      name: loss
+      verified: true
+      verifyToken: eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJoYXNoIjoiNmM2ODMzNWIzMGFjNTFiYWRjZmQ5ZjNlMmMzOGM4OGNiNTU1OGU4MTEyNjE0MzA5MzNlODMwMWU1NGE4NGEzOSIsInZlcnNpb24iOjF9.ZC54eTAXyHMAUh8YsTV28e28QTIMW0T7MnXlvopTv5P81DoWuJfkZn73j1MjWyzBwTreoxjPlr6ajkKFhEfjBg
+    - type: gen_len
+      value: 174.1294
+      name: gen_len
+      verified: true
+      verifyToken: eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJoYXNoIjoiZDQ0Nzc3Mzg2MTcyMmQxOWQ4M2IyN2M3OTJmOGE5YzlkMTcyMzdjNjRkZmQ2Zjg2ODRhZjMzMTA2MzFhY2MzZiIsInZlcnNpb24iOjF9.WtljJMq6N7oqBiH5l-eNlL2OC3zZsLOsSSHB5_U4FPprDk0e50AGyloTrY_5jiiGEFqj4UT6GTJy_elO5oEGAQ
 ---
 
 ### Pegasus Models