Update README.md

Author: thecoder8890

README.md

@@ -1,17 +1,17 @@
 # QR-code Generator and Reader
 
-## Application used Java 15 | [Onurdesk](https://onurdesk.com/)
+## Application used [Java 15](https://onurdesk.com/what-are-preview-features-in-java-15/) | [Onurdesk](https://onurdesk.com/)
 
-###### Spring boot application exposing REST API endpoint to genrate QR-code representing custom message and another endpoint to read the decoded message, built using Java Spring boot and google's zxing library.
+###### Spring boot application exposing REST API endpoint to genrate QR-code representing custom message and another endpoint to read the decoded message, built using Java [Spring boot](https://onurdesk.com/category/spring/spring-boot/) and [google's zxing library](https://opensource.google/projects/zxing).
 
 <center>
 	<a target='_blank' href='https://spring-boot-qr-code-generator.herokuapp.com/swagger-ui/index.html?configUrl=/v3/api-docs/swagger-config'>Running Application</a>
 </center>
 
 ## Local Setup
 
-* Install Java 15
-* Install Maven
+* Install [Java 15](https://onurdesk.com/what-are-preview-features-in-java-15/)
+* Install [Maven](https://onurdesk.com/what-is-maven-plugin/)
 
 Recommended way is to use [sdkman](https://sdkman.io/) for installing both maven and java