modify: README.md

Author: Jamilur Rahman

README.md

@@ -8,4 +8,12 @@ Then, Export:
 * CSV: [http://localhost:8080/reports/transactions/download?exportType=CSV](http://localhost:8080/reports/transactions/download?exportType=CSV)
 * DOCX: [http://localhost:8080/reports/transactions/download?exportType=DOCX](http://localhost:8080/reports/transactions/download?exportType=DOCX)
 
-### Download [Jaspersoft Studio](https://community.jaspersoft.com/project/jaspersoft-studio) to modify the template as you like.
+### Download [Jaspersoft Studio](https://community.jaspersoft.com/project/jaspersoft-studio) to modify the template (file with .jrxml extension) as you like.
+#### Templates are: 
+* PDF: transaction_report_pdf.jrxml
+* EXCEL: transaction_report_excel.jrxml
+* CSV: transaction_report_csv.jrxml
+* 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!