Update readme.md

code block language changes

README.md

@@ -15,7 +15,7 @@ I made two types of singleton that has DontDestroyOnLoad or not.
 **- UnitySingleton**
 - Singleton with DontDestroyOnLoad.  
 - Basic singleton script.
-```c#
+```cs
 public class YourClass : UnitySingleton<YourClass>
 {
     //your class codes
@@ -25,7 +25,7 @@ public class YourClass : UnitySingleton<YourClass>
 **- UnitySingletonOnce**
 - Singleton without DontDestroyOnLoad
 - This script and object will be removed when scene has changed.
-```c#
+```cs
 public class YourClass : UnitySingletonOnce<YourClass>
 {
     //your class codes
@@ -44,7 +44,7 @@ EventBus class is using 'Singleton', so you can access by Instance.
 - You can send to the listener with class data.
 
 This is a sample event class.
-```c#
+```cs
 public class MyEvent : EventBase
 {
     public int _value1;
@@ -55,7 +55,7 @@ public class MyEvent : EventBase
 
 This is a sample listener script.  
 You can Subscribe, Unsubscribe events and define functions when your event published.
-```c#
+```cs
 public class Listener : MonoBehavior
 {
     private void OnEnable()
@@ -77,7 +77,7 @@ public class Listener : MonoBehavior
 **- Publish(EventBase eventType)**  
 This is how you can publish with data.  
 You can send any data sealed with class.
-```c#
+```cs
 public class Publisher : MonoBehavior
 {
     private void OnCommand()