Removed reference to dotnet run
Removed reference to dotnet run

As it stands, Xamarin Forms is not supported by DotNet CLI so on all 3 machines I tried, I got the same error about Forms when doing dotnet run so I have updated the readme to reflect what I found was the easiest way to run the samples.
praeclarum/Ooui,praeclarum/Ooui,praeclarum/Ooui