Update model metadata to set pipeline tag to the new `text-ranking` and tags to `sentence-transformers`

README.md

@@ -4,11 +4,13 @@ license: apache-2.0
 base_model: google-bert/bert-base-uncased
 tags:
 - generated_from_trainer
+- sentence-transformers
 metrics:
 - accuracy
 - precision
 - recall
 - f1
+pipeline_tag: text-ranking
 model-index:
 - name: bert-clf-crossencoder-cross_entropy
   results: []