Update README.md

Author: darbyluv2code

README.md

@@ -20,6 +20,7 @@ I'd recommend the following road map:
 1. [Spring Boot Unit Testing](https://www.udemy.com/course/spring-boot-unit-testing/?referralCode=4184DE360D78A70932EE)
 1. [Deploy Spring Boot 3 Apps on AWS (Amazon Cloud)](https://www.udemy.com/course/deploy-spring-boot-3-apps-to-aws/?referralCode=DCE8981B59C70BA6BDBF)
 1. [Hibernate: Advanced Development Techniques](https://www.udemy.com/course/hibernate-tutorial-advanced/?referralCode=6FB9E2BA9AF54A4C9E69)
+1. [Master Java Design Patterns](https://www.luv2code.com/master-java-design-patterns-github)
 
 ### Project Course: Spring Boot, Spring MVC and Thymeleaf
 For end-to-end project with Spring Boot, Spring MVC and Thymeleaf: