Create empty project with framework targets

BeckmanComms.Api.DataTransferObjects/BeckmanComms.Api.DataTransferObjects.csproj

 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard1.4</TargetFramework>
+    <TargetFrameworks>netstandard1.4;net45;net46</TargetFrameworks>
   </PropertyGroup>
 
 </Project>

BeckmanComms.Api.DataTransferObjects/Class1.cs

-using System;
-
-namespace BeckmanComms.Api.DataTransferObjects
-{
-    public class Class1
-    {
-    }
-}