addNative.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net6.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <!-- GenerateBuildDependencyFile requires a package in order to include runtimeTargets.  Tack them on to an existing package -->
    <PackageReference Include="Microsoft.NETCore.Platforms" Version="5.0.0" />
    <RuntimeTargetsCopyLocalItems Include="native\**\*.*" 
                                  AssetType="native" 
                                  DestinationSubDirectory="runtimes\%(RecursiveDir)native" 
                                  NuGetPackageId="Microsoft.NETCore.Platforms"
                                  RuntimeIdentifier="$([System.String]::new('%(RecursiveDir)').Trim('\'))"  />
    <Content Include="@(RuntimeTargetsCopyLocalItems)" 
             Link="%(DestinationSubDirectory)\%(FileName)%(Extension)" 
             CopyToOutputDirectory="PreserveNewest" />
  </ItemGroup>


</Project>