update readme with case study data links

README.md

@@ -234,6 +234,14 @@ tar -xvf Tabula_Muris.tar.gz
 mv mnt/mcfiles/Datasets/Tabula_Muris data
 rm -r mnt
 ```
+#### Case study dataset
+
+The dataset we used in the case study is from (O’Koren et al), you can download 
+all the relevant files via [this link](https://www.svi.edu.au/MIG_2019_scRNAseq-workshop/case_study_data.tar.gz)
+
+It includes the raw fastqs and processed count matrix data and is of size 2.1GB. 
+If you would like to start with the count matrix data, please follow the instruction in the [RMarkdown](https://gitlab.svi.edu.au/biocellgen-public/mig_2019_scrnaseq-workshop/blob/master/case_study_data/case_study.Rmd) 
+to download the processed count matrix data from GEO.
 
 ##### Desired results