Add evaluation results on the default config of xsum (#5)

- Add evaluation results on the default config of xsum (7421ec403505a71a1cea8b9097e15e384cbb7440)
- Fix merge conflict (805caaedbc72d1f85b3bdbe6e5d52336e0fe2923)
- Fix merge conflict v2 (5b380508a47d418ed40e453fcc4d99e9d4ee82cb)


Co-authored-by: Evaluation Bot <autoevaluator@users.noreply.huggingface.co>

README.md

@@ -40,6 +40,39 @@ model-index:
       type: gen_len
       value: 27.4462
       verified: true
+  - task:
+      type: summarization
+      name: Summarization
+    dataset:
+      name: xsum
+      type: xsum
+      config: default
+      split: test
+    metrics:
+    - name: ROUGE-1
+      type: rouge
+      value: 45.4525
+      verified: true
+    - name: ROUGE-2
+      type: rouge
+      value: 22.3455
+      verified: true
+    - name: ROUGE-L
+      type: rouge
+      value: 37.2302
+      verified: true
+    - name: ROUGE-LSUM
+      type: rouge
+      value: 37.2323
+      verified: true
+    - name: loss
+      type: loss
+      value: 2.3128726482391357
+      verified: true
+    - name: gen_len
+      type: gen_len
+      value: 25.5435
+      verified: true
 ---
 ### Bart model finetuned on xsum