Update README.md

Author: serhatyamann

README.md

@@ -1,9 +1,10 @@
 ## The SOLID Principles
 
 #### There are five principles to follow to ensure our application meets the SOLID requirements. These are as below,
-* 1.[Single Responsibility Principle (SRP)](https://github.com/serhatyamann/SOLID_Principles/tree/master/1.SRP_Single_Responsibility)
-* 2.Open Closed Principle (OCP)
-* 3.Liskov Substitution Principle (LSP)
-* 4.Interface Segregation Principle (ISP)
-* 5.Dependency Inversion Principle (DIP)
+
+* [1.Single Responsibility Principle (SRP)](https://github.com/serhatyamann/SOLID_Principles/tree/master/1.SRP_Single_Responsibility)
+* [2.Open Closed Principle (OCP)](https://github.com/serhatyamann/SOLID_Principles/tree/master/2.OCP_Open_Closed)
+* [3.Liskov Substitution Principle (LSP)](https://github.com/serhatyamann/SOLID_Principles/tree/master/3.LSP_Liskov_Substitution)
+* [4.Interface Segregation Principle (ISP)](https://github.com/serhatyamann/SOLID_Principles/tree/master/4.ISP_Interface_Segregation)
+* [5.Dependency Inversion Principle (DIP)](https://github.com/serhatyamann/SOLID_Principles/tree/master/5.DIP_Dependency_Inversion)