Librarian Bot: Update dataset YAML metadata for model

This is a pull request to add a dataset, [`papluca/language-identification`](https://huggingface.co/datasets/papluca/language-identification), 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

@@ -2,10 +2,11 @@
 license: mit
 tags:
 - generated_from_trainer
+datasets: papluca/language-identification
 metrics:
 - accuracy
 model-index:
-- name: xlm-roberta-base-finetuned-language-identification 
+- name: xlm-roberta-base-finetuned-language-identification
   results: []
 ---