godot-demo-projects/mono/android_iap/Android in-app purchases with C#.csproj

<Project Sdk="Godot.NET.Sdk/4.0.0-dev5">
  <PropertyGroup>
    <TargetFramework>net472</TargetFramework>
    <RootNamespace>AndroidIAP</RootNamespace>
  </PropertyGroup>
</Project>