modify: README.md

Author: Jamilur Rahman

README.md

@@ -16,4 +16,12 @@ Then, Export:
 * DOCX: transaction_report_docx.jrxml
 
 Open these templates using Jasper Studio & modify as your own. It takes sometime to be familiar with the syntax to design the template. It's similar to HTML but need some practice to make a better design. 
-Enjoy!
+Enjoy!
+
+### Credits:
+* [iabur](https://github.com/iabur)
+* https://github.com/javahowtos/jasper-export-demo
+* https://github.com/javahowtos/jasper-excel-export-demo
+* StackOverflow
+
+I didn't find any repo which provides (PDF, EXCEL, CSV, DOCX) all of them at once. Thanks to these^ repo I got the basic idea how to export the report. Thank you very much [iabur](https://github.com/iabur) vai to provide me different template design from your old projects as well as assist me in every way.