Librarian Bot: Add base_model information to model

README.md

@@ -4,12 +4,13 @@ tags:
 - generated_from_trainer
 metrics:
 - accuracy
-model-index:
-- name: bookmebus-roberta-2
-  results: []
 widget:
 - text: អ្នកបើកឡានមិនគោរពច្បាប់
 - text: រហ័សទាន់ចិត្ត
+base_model: xlm-roberta-base
+model-index:
+- name: bookmebus-roberta-2
+  results: []
 ---
 
 <!-- This model card has been generated automatically according to the information the Trainer had access to. You