Update README.md

README.md

@@ -36,7 +36,7 @@ Several tools are available from start:
 
 You can create your own toolbar extensions by using the property attribute `MainToolbarElement`.
 
-```
+```csharp
 [Preserve]
 [MainToolbarElement("Toolbar/Time Scale", ussName = "", defaultDockIndex = 0, defaultDockPosition = MainToolbarDockPosition.Middle, menuPriority = 500)]
 public static MainToolbarElement Draw()
@@ -59,13 +59,13 @@ private static void OnTimeScaleValueChanged(float value)
 
 A list of multiple controls can be done by changing:
 
-```
+```csharp
 public static MainToolbarElement Draw()
 ```
 
 to
 
-```
+```csharp
 public static IEnumerable<MainToolbarElement> Draw()
 ```
 
@@ -74,7 +74,7 @@ public static IEnumerable<MainToolbarElement> Draw()
 
 To add enable/disable settings or more to Preferences -> Toolbar, you can implement `IToolbarSettings`.
 
-```
+```csharp
 internal sealed class ToolbarFooSettings : IToolbarSettings
 {
     public string Title => "Foo";