added screenshot in README.md

Author: Nikunj-bisht

CsvToJsonConverter/nikunj/README.md

@@ -15,4 +15,9 @@ This is a small project in which a csv file of any size data is being converted
 - chrome
 
 - FireFox
-  
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+### Screenshot
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+![Screenshot from 2023-10-06 03-26-25](https://github.com/Nikunj-bisht/javascript-projects/assets/52692588/f942b4ae-4393-4182-91f8-392b403ea931)
+
+