Added nuget config

Author: Chris Young

nuget.config

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <add key="nuget" value="https://api.nuget.org/v3/index.json" />    
+    <add key="AN" value="https://www.myget.org/F/architectnow/api/v3/index.json" />    
+  </packageSources>
+  <activePackageSource>
+    <add key="All" value="(Aggregate source)" />
+  </activePackageSource>  
+</configuration>