Add missing references

Jellyfin.Api/Controllers/ChannelsController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;

Jellyfin.Api/Controllers/DlnaController.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using Jellyfin.Api.Constants;
 using MediaBrowser.Controller.Dlna;
 using MediaBrowser.Model.Dlna;

Jellyfin.Api/Controllers/DlnaServerController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Net.Mime;

Jellyfin.Api/Controllers/GenresController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 using System.Globalization;
 using System.Linq;
 using Jellyfin.Api.Constants;

Jellyfin.Api/Controllers/HlsSegmentController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;

Jellyfin.Api/Controllers/ImageController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.IO;

Jellyfin.Api/Controllers/ItemRefreshController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 using Jellyfin.Api.Constants;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;

Jellyfin.Api/Controllers/ItemsController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 using System.Globalization;
 using System.Linq;
 using Jellyfin.Api.Constants;

Jellyfin.Api/Controllers/LiveTvController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;

Jellyfin.Api/Controllers/MusicGenresController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 using System.Globalization;
 using System.Linq;
 using Jellyfin.Api.Constants;

Jellyfin.Api/Controllers/PlaystateController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 using System.Diagnostics.CodeAnalysis;
 using System.Threading.Tasks;
 using Jellyfin.Api.Constants;

Jellyfin.Api/Controllers/StudiosController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using Jellyfin.Api.Constants;
 using Jellyfin.Api.Extensions;

Jellyfin.Api/Controllers/SuggestionsController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using Jellyfin.Api.Extensions;
 using Jellyfin.Api.Helpers;

Jellyfin.Api/Controllers/UniversalAudioController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Globalization;
 using System.Linq;
 using System.Threading.Tasks;

Jellyfin.Api/Controllers/UserLibraryController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;

Jellyfin.Api/Controllers/UserViewsController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Globalization;
 using System.Linq;
 using Jellyfin.Api.Extensions;

Jellyfin.Api/Controllers/VideoHlsController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Globalization;
 using System.IO;
 using System.Threading;

Jellyfin.Api/Controllers/YearsController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using Jellyfin.Api.Constants;
 using Jellyfin.Api.Extensions;