https://docs.microsoft.com/en-us/dotnet/core/tutorials/creating-app-with-plugin-support

[rhyous]

Look at this and see about making this work in .NET Core using AssemblyLoadContext

[jeddytier4]

I would suggest looking at the code from this repository when you are wanting to add .net core support. I have used it rather extensively over the past few months and haven't found an edge case that it doesn't handle yet.
https://github.com/natemcmaster/DotNetCorePlugins