Add link to paper

This PR links the dataset to the paper page: https://huggingface.co/papers/2410.18647, which ensures people can discover the dataset from there

README.md

@@ -9,7 +9,7 @@ size_categories:
 # Robotic Manipulation Datasets for Four Tasks
 
 [[Project Page]](https://data-scaling-laws.github.io/)
-[[Paper]](https://data-scaling-laws.github.io/paper.pdf)
+[[Paper]](https://huggingface.co/papers/2410.18647)
 [[Code]](https://github.com/Fanqi-Lin/Data-Scaling-Laws)
 [[Models]](https://huggingface.co/Fanqi-Lin/Task-Models/)