Librarian Bot: Update dataset YAML metadata for model

This is a pull request to add a dataset, [`csebuetnlp/xlsum`](https://huggingface.co/datasets/csebuetnlp/xlsum), to the metadata for your model (defined in the `YAML` block of your model's `README.md`).
The pull request was made by [librarian-bot](https://huggingface.co/librarian-bot) and used a combination of rules and/or machine learning to suggest this additional metadata.
If this suggestion is incorrect, feel free to close this pull request.

Librarian Bot was made by [@davanstrien](https://huggingface.co/davanstrien); feel free to get in touch with feedback.

README.md

@@ -1,6 +1,7 @@
 ---
-language: 
+language:
 - bn
+datasets: csebuetnlp/xlsum
 licenses:
 - cc-by-nc-sa-4.0
 ---