Added sample netcore console app placeholder.

samples/NetCoreConsole/NetCoreConsole.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\NTwain\NTwain.csproj" />
+  </ItemGroup>
+
+</Project>

samples/NetCoreConsole/Program.cs

@@ -0,0 +1,23 @@
+using NTwain;
+using System;
+using System.Reflection;
+
+namespace NetCoreConsole
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var config = new TwainConfigurationBuilder()
+                .DefineApp(Assembly.GetExecutingAssembly())
+                .Build();
+            using (var session = new TwainSession(config))
+            {
+
+            }
+
+
+            Console.WriteLine("Hello World!");
+        }
+    }
+}