Librarian Bot: Update dataset YAML metadata for model

This is a pull request to add a dataset, [`cmotions/Beatles_lyrics`](https://huggingface.co/datasets/cmotions/Beatles_lyrics), 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

@@ -2,6 +2,7 @@
 license: mit
 tags:
 - generated_from_trainer
+datasets: cmotions/Beatles_lyrics
 model-index:
 - name: GPT2-Beatles-Lyrics-finetuned-newlyrics
   results: []