Add evaluation results on the 1.0.0 config of pn_summary

Beep boop, I am a bot from Hugging Face's automatic model evaluator 👋!\
Your model has been evaluated on the 1.0.0 config of the [pn_summary](https://huggingface.co/datasets/pn_summary) dataset by

@marsraker09

, using the predictions stored [here](https://huggingface.co/datasets/autoevaluate/autoeval-staging-eval-project-pn_summary-5464695d-10495406).\
Accept this pull request to see the results displayed on the [Hub leaderboard](https://huggingface.co/spaces/autoevaluate/leaderboards?dataset=pn_summary).\
Evaluate your model on more datasets [here](https://huggingface.co/spaces/autoevaluate/model-evaluator?dataset=pn_summary).

README.md

@@ -2,6 +2,42 @@
 language: en
 tags:
 - summarization
+model-index:
+- name: google/pegasus-large
+  results:
+  - task:
+      type: summarization
+      name: Summarization
+    dataset:
+      name: pn_summary
+      type: pn_summary
+      config: 1.0.0
+      split: train
+    metrics:
+    - name: ROUGE-1
+      type: rouge
+      value: 0.3771
+      verified: true
+    - name: ROUGE-2
+      type: rouge
+      value: 0.0589
+      verified: true
+    - name: ROUGE-L
+      type: rouge
+      value: 0.3745
+      verified: true
+    - name: ROUGE-LSUM
+      type: rouge
+      value: 0.3749
+      verified: true
+    - name: loss
+      type: loss
+      value: 0.26130425930023193
+      verified: true
+    - name: gen_len
+      type: gen_len
+      value: 211.8505
+      verified: true
 ---
 
 ### Pegasus Models