Update README.md

Update pretraining dataset link

README.md

@@ -22,6 +22,7 @@ The general architecture and experimental results of ViSoBERT can be found in ou
           primaryClass={cs.CL}
     }
     
+The pretraining dataset of our paper is available at: [Pretraining dataset](https://drive.google.com/drive/folders/1C144LOlkbH78m0-JoMckpRXubV7XT7Kb)
 
 **Please CITE** our paper when ViSoBERT is used to help produce published results or is incorporated into other software.