Trying `EmbedUntrackedSources` for this NuGet package
<PackageLicenseExpression>MIT</PackageLicenseExpression>
<PackageTags>OpenXR C# AR VR MR XR MixedReality HoloLens</PackageTags>
<GeneratePackageOnBuild>false</GeneratePackageOnBuild>
+ <EmbedUntrackedSources>true</EmbedUntrackedSources >
</PropertyGroup>
<!-- Files and DLLs that are needed for the NuGet package -->
