scaffolding for interop_client and little bit of project renaming
diff --git a/src/csharp/GrpcApi/GrpcApi.csproj b/src/csharp/GrpcApi/GrpcApi.csproj
index bf457a1..f0f11de 100644
--- a/src/csharp/GrpcApi/GrpcApi.csproj
+++ b/src/csharp/GrpcApi/GrpcApi.csproj
@@ -47,13 +47,13 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Examples.cs" />
     <Compile Include="Math.cs" />
     <Compile Include="MathGrpc.cs" />
     <Compile Include="MathServiceImpl.cs" />
     <Compile Include="Empty.cs" />
     <Compile Include="Messages.cs" />
     <Compile Include="TestServiceGrpc.cs" />
+    <Compile Include="MathExamples.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/src/csharp/GrpcApi/Examples.cs b/src/csharp/GrpcApi/MathExamples.cs
similarity index 98%
rename from src/csharp/GrpcApi/Examples.cs
rename to src/csharp/GrpcApi/MathExamples.cs
index d2a6cc0..43f0ced 100644
--- a/src/csharp/GrpcApi/Examples.cs
+++ b/src/csharp/GrpcApi/MathExamples.cs
@@ -6,7 +6,7 @@
 
 namespace math
 {
-	public class Examples
+	public static class MathExamples
 	{
 		public static void DivExample(MathGrpc.IMathServiceClient stub)
 		{