Update README.md

githubMukesh · web-flow · commit 5b1f0efea82c · 2019-06-24T11:29:48.000+05:30
diff --git a/README.md b/README.md
@@ -1,2 +1,6 @@
 # excelService
-I have written a service in Angular that convert excel to JSON and vice-versa. step:- 1) npm install xlsx --save 2) npm install file-saver --save
+I have written a service in Angular that convert excel to JSON and vice-versa. step:- 
+1) npm install xlsx --save 
+2) npm install file-saver --save
+
+what it does?
