Update README.md

Author: geeksarray

README.md

@@ -7,4 +7,8 @@ The class library does not have a configuration file by default. Dependency inje
 1. **GeeksApp** - is ASP.NET MVC application having required application settings stored in appsettings.json.
 1. **GeeksConfiguration** - is a C# dot net core class library application used like DAL. This reads appsettings using dependency injection stored in MVC application.
 
+ASP.NET MVC controller reading values
+
+![appsettings values to ASP.NET MVC application using dependency injection](https://geeksarray.com/images/blog/appsettings-value-dependency-injection-using-interface.png)
+
  For more details [click here](https://geeksarray.com/blog/read-appsettings-json-in-net-core-class-library-using-dependency-injection)