Librarian Bot: Add base_model information to model

README.md

@@ -2,6 +2,7 @@
 license: apache-2.0
 tags:
 - generated_from_keras_callback
+base_model: distilbert-base-cased-distilled-squad
 model-index:
 - name: evegarcianz/bert-finetuned-adversarial_qa
   results: []