Update README.md

Added some evaluation results

README.md

@@ -23,6 +23,17 @@ model-index:
     - name: Rouge1
       type: rouge
       value: 26.77
+    - name: Rouge2
+      type: rouge
+      value: 10.28
+    - name: Rougel
+      type: rouge
+      value: 21.26
+    - name: Rougelsum
+      type: rouge
+      value: 22.02
+language:
+- en
 ---
 
 <!-- This model card has been generated automatically according to the information the Trainer had access to. You
@@ -75,4 +86,4 @@ The following hyperparameters were used during training:
 - Transformers 4.28.0
 - Pytorch 2.0.0+cu117
 - Datasets 2.12.0
-- Tokenizers 0.13.3
+- Tokenizers 0.13.3