How to Migrate .NET Core Projects From 2.0 to 2.1

New features for ASP.NET Core 2.1 have been released and a couple features that I am very interested in are EF Core 2.1 Query Types (which Julie Lerman recently wrote about in MSDN mag) and SignalR, but I will have to upgrade my existing .NET Core repository  in order to play with these, so let’s get to work.
Going to be following this article and a recently written document on project migration.