Added non-prerelease badge

Author: 304NotModified

README.md

@@ -3,7 +3,7 @@
 # NLog.Extensions.Logging 
 
 
-
+[![NuGet Release](https://img.shields.io/nuget/v/NLog.Extensions.Logging.svg)](https://www.nuget.org/packages/NLog.Extensions.Logging)
 [![NuGet Pre Release](https://img.shields.io/nuget/vpre/NLog.Extensions.Logging.svg)](https://www.nuget.org/packages/NLog.Extensions.Logging)
 [![Build status](https://ci.appveyor.com/api/projects/status/0nrg8cksp4b6tab1/branch/master?svg=true)](https://ci.appveyor.com/project/nlog/nlog-framework-logging/branch/master)