Umbraco-CMS/src/Umbraco.Web.UI.NetCore/Umbraco.Web.UI.NetCore.csproj

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

    <PropertyGroup>
        <TargetFramework>netcoreapp3.1</TargetFramework>
        <RootNamespace>Umbraco.Web.UI.BackOffice</RootNamespace>
    </PropertyGroup>

    <ItemGroup>
      <ProjectReference Include="..\Umbraco.Web.BackOffice\Umbraco.Web.BackOffice.csproj" />
      <ProjectReference Include="..\Umbraco.Web.Website\Umbraco.Web.Website.csproj" />
    </ItemGroup>

</Project>