Add evaluation results on wmt16

Beep boop, I am a bot from Hugging Face's automatic evaluation service! Your model has been evaluated on the [wmt16](https://huggingface.co/datasets/wmt16) dataset. Accept this pull request to see the results displayed on the [Hub leaderboard](https://huggingface.co/spaces/autoevaluate/leaderboards?dataset=wmt16). Evaluate your model on more datasets [here](https://huggingface.co/spaces/autoevaluate/autoevaluate?dataset=wmt16).

README.md

@@ -20,6 +20,19 @@ model-index:
     - name: Bleu
       type: bleu
       value: 28.5866
+  - metrics:
+    - name: BLEU
+      type: bleu
+      value: 3.3124
+      verified: true
+    task:
+      type: translation
+      name: Translation
+    dataset:
+      name: wmt16
+      type: wmt16
+      config: ro-en
+      split: test
 ---
 
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