The web site project will reference the nuget package [Microsoft.CodeDom.Providers.DotNetCompilerPlatform](https://www.nuget.org/packages/Microsoft.CodeDom.Providers.DotNetCompilerPlatform/) And this library will introduce the roslyn folder
The web site project will reference the nuget package Microsoft.CodeDom.Providers.DotNetCompilerPlatform
And this library will introduce the roslyn folder