Update README.md

Author: adoconnection

README.md

@@ -7,6 +7,7 @@
 * Windows / Linux
 * Publish as single file supported
 * Thread safe
+* Template debugging
 
 [![NuGet](https://img.shields.io/nuget/dt/RazorEngineCore.svg?style=flat-square)](https://www.nuget.org/packages/RazorEngineCore)
 [![NuGet](https://img.shields.io/nuget/v/RazorEngineCore.svg?style=flat-square)](https://www.nuget.org/packages/RazorEngineCore)