Initial readme with AppVeyor and NuGet badges

Author: joel-jeremy

README.md

@@ -1,2 +1,11 @@
 # Xer.Messaginator.Extensions.MessageSources.Http
 Http MessageSource extension for Xer.Messaginator
+
+# Build
+| Branch | Status |
+|--------|--------|
+| Master | [![Build status](https://ci.appveyor.com/api/projects/status/hb97dsyq10vwh2nn?svg=true)](https://ci.appveyor.com/project/XerProjects25246/xer-messaginator-extensions-messagesources-http) |
+| Dev | [![Build status](https://ci.appveyor.com/api/projects/status/hb97dsyq10vwh2nn/branch/dev?svg=true)](https://ci.appveyor.com/project/XerProjects25246/xer-messaginator-extensions-messagesources-http/branch/dev) |
+
+# Nuget
+[![NuGet](https://img.shields.io/nuget/vpre/xer.messaginator.extensions.messagesources.attributes.svg)](https://www.nuget.org/packages/Xer.Cqrs.EventStack.Extensions.Attributes/)