adding metrics to readme.

README.md

@@ -16,6 +16,13 @@ model-index:
     dataset:
       name: "ade_corpus_v2Ade_corpus_v2_classification" 
       type: ade_corpus
+    metrics:
+       - name: Validation Accuracy
+         type: accuracy
+         value: 92.98
+       - name: Validation F1
+         type: f1
+         value: 82.73
   
 ---