New: Use ASP.NET Core instead of Nancy

Co-Authored-By: ta264 <ta264@users.noreply.github.com>

src/NzbDrone.Core/Indexers/IndexerFactory.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using FluentValidation.Results;
@@ -23,7 +24,7 @@ namespace NzbDrone.Core.Indexers
         public IndexerFactory(IIndexerStatusService indexerStatusService,
                               IIndexerRepository providerRepository,
                               IEnumerable<IIndexer> providers,
-                              IContainer container,
+                              IServiceProvider container,
                               IEventAggregator eventAggregator,
                               Logger logger)
             : base(providerRepository, providers, container, eventAggregator, logger)