Added dummy dataset element to model-index to silence huggingface_hub model_info API warnings.

README.md

@@ -23,6 +23,9 @@ model-index:
   - task:
       name: Translation
       type: translation
+    dataset:
+      type: "text"
+      name: "various"
     metrics:
     - name: SacreBLEU
       type: bleu