Register ServiceController with the DI framework

Emby.Server.Implementations/ApplicationHost.cs

@@ -43,6 +43,7 @@ using Emby.Server.Implementations.Playlists;
 using Emby.Server.Implementations.ScheduledTasks;
 using Emby.Server.Implementations.Security;
 using Emby.Server.Implementations.Serialization;
+using Emby.Server.Implementations.Services;
 using Emby.Server.Implementations.Session;
 using Emby.Server.Implementations.SocketSharp;
 using Emby.Server.Implementations.TV;
@@ -758,6 +759,7 @@ namespace Emby.Server.Implementations
             CertificateInfo = GetCertificateInfo(true);
             Certificate = GetCertificate(CertificateInfo);
 
+            serviceCollection.AddSingleton<ServiceController>();
             serviceCollection.AddSingleton<IHttpListener, WebSocketSharpListener>();
             serviceCollection.AddSingleton<IHttpServer, HttpListenerHost>();