Added badges ready for move from core

Author: merbla

README.md

@@ -1,4 +1,9 @@
-# serilog-sinks-file
-The file sink for Serilog
+#The file sink for Serilog
 
 ##NOTE: Work in progress as apart of the [Serilog 2.0 release](https://github.com/serilog/serilog/issues?q=is%3Aissue+is%3Aopen+label%3Av2).
+
+[![Build status](https://ci.appveyor.com/api/projects/status/hh9gymy0n6tne46j?svg=true)](https://ci.appveyor.com/project/serilog/serilog-sinks-file) [![NuGet Version](http://img.shields.io/nuget/v/Serilog.Sinks.File.svg?style=flat)](https://www.nuget.org/packages/Serilog.Sinks.File/)
+
+* [Documentation](https://github.com/serilog/serilog/wiki)
+
+Copyright © 2016 Serilog Contributors - Provided under the [Apache License, Version 2.0](http://apache.org/licenses/LICENSE-2.0.html).