aspnet-vuejs-basetemplate.csproj

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

  <PropertyGroup>
    <TargetFramework>netcoreapp2.1</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <Folder Include="wwwroot\" />
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.App" />
  </ItemGroup>
<ItemGroup>  
    <MySourceFiles Include="$(ProjectDir)\dist\**\*.*"/>  
  </ItemGroup>  
  <Target Name="CopyFiles" AfterTargets="Publish">
      <Copy  
          SourceFiles="@(MySourceFiles)"  
          DestinationFiles="@(MySourceFiles->'$(PublishDir)\dist\%(RecursiveDir)%(Filename)%(Extension)')"/>  
  </Target>  
</Project>