Convert dataset sizes from base 2 to base 10 in the dataset card

Convert dataset sizes from base 2 (MiB) to base 10 (MB) in the dataset card, as it is the case in the dataset viewer.
See: https://github.com/huggingface/datasets/issues/5708

README.md

@@ -89,9 +89,9 @@ dataset_info:
 - **Repository:** https://github.com/ZurichNLP/xstance
 - **Paper:** [X-Stance: A Multilingual Multi-Target Dataset for Stance Detection](https://arxiv.org/abs/2003.08385)
 - **Point of Contact:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
-- **Size of downloaded dataset files:** 6.11 MB
-- **Size of the generated dataset:** 24.54 MB
-- **Total amount of disk used:** 30.65 MB
+- **Size of downloaded dataset files:** 6.41 MB
+- **Size of the generated dataset:** 25.73 MB
+- **Total amount of disk used:** 32.14 MB
 
 ### Dataset Summary
 
@@ -113,9 +113,9 @@ The comments are partly German, partly French and Italian. The questions are ava
 
 #### default
 
-- **Size of downloaded dataset files:** 6.11 MB
-- **Size of the generated dataset:** 24.54 MB
-- **Total amount of disk used:** 30.65 MB
+- **Size of downloaded dataset files:** 6.41 MB
+- **Size of the generated dataset:** 25.73 MB
+- **Total amount of disk used:** 32.14 MB
 
 An example of 'train' looks as follows.
 ```