update README

Author: Satendra Kumar

README.md

@@ -5,7 +5,12 @@
 1) Download elasticsearch from [here](https://www.elastic.co/downloads/elasticsearch)   
 2) Extract downloaded elasticsearch     
 3) cd elasticsearch-X.X.X       
-4) $ bin/elasticsearch        
+4) $ bin/elasticsearch     
+
+### Insert data into elasticsearch
+     $ curl -XPOST localhost:9200/test/tweet   -d '{"name":"Satendra", "job":"consultant" , "location":"India", "age":28}'
+     $ curl -XPOST localhost:9200/test/tweet   -d '{"name":"Rohit", "job":"consultant" , "location":"India", "age":22}'
+     $ curl -XPOST localhost:9200/test/tweet   -d '{"name":"Mohit", "job":"consultant" , "location":"India", "age":25}'
 
 
 ### Run project