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

@@ -824,39 +824,39 @@ Some subsets of Wikipedia have already been processed by HuggingFace, as you can
 
 #### 20220301.de
 
-- **Size of downloaded dataset files:** 6523.22 MB
-- **Size of the generated dataset:** 8905.28 MB
-- **Total amount of disk used:** 15428.50 MB
+- **Size of downloaded dataset files:** 6.84 GB
+- **Size of the generated dataset:** 9.34 GB
+- **Total amount of disk used:** 16.18 GB
 
 #### 20220301.en
 
-- **Size of downloaded dataset files:** 20598.31 MB
-- **Size of the generated dataset:** 20275.52 MB
-- **Total amount of disk used:** 40873.83 MB
+- **Size of downloaded dataset files:** 21.60 GB
+- **Size of the generated dataset:** 21.26 GB
+- **Total amount of disk used:** 42.86 GB
 
 #### 20220301.fr
 
-- **Size of downloaded dataset files:** 5602.57 MB
-- **Size of the generated dataset:** 7375.92 MB
-- **Total amount of disk used:** 12978.49 MB
+- **Size of downloaded dataset files:** 5.87 GB
+- **Size of the generated dataset:** 7.73 GB
+- **Total amount of disk used:** 13.61 GB
 
 #### 20220301.frr
 
-- **Size of downloaded dataset files:** 12.44 MB
-- **Size of the generated dataset:** 9.13 MB
-- **Total amount of disk used:** 21.57 MB
+- **Size of downloaded dataset files:** 13.04 MB
+- **Size of the generated dataset:** 9.57 MB
+- **Total amount of disk used:** 22.62 MB
 
 #### 20220301.it
 
-- **Size of downloaded dataset files:** 3516.44 MB
-- **Size of the generated dataset:** 4539.94 MB
-- **Total amount of disk used:** 8056.39 MB
+- **Size of downloaded dataset files:** 3.69 GB
+- **Size of the generated dataset:** 4.76 GB
+- **Total amount of disk used:** 8.45 GB
 
 #### 20220301.simple
 
-- **Size of downloaded dataset files:** 239.68 MB
-- **Size of the generated dataset:** 235.07 MB
-- **Total amount of disk used:** 474.76 MB
+- **Size of downloaded dataset files:** 251.32 MB
+- **Size of the generated dataset:** 246.49 MB
+- **Total amount of disk used:** 497.82 MB
 
 ### Data Fields