file scoped namespaces (#565)

Wino.Core.Domain/Enums/ServerBackgroundMode.cs

@@ -1,12 +1,11 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Core.Domain.Enums;
+
+/// <summary>
+/// What should happen to server app when the client is terminated.
+/// </summary>
+public enum ServerBackgroundMode
 {
-    /// <summary>
-    /// What should happen to server app when the client is terminated.
-    /// </summary>
-    public enum ServerBackgroundMode
-    {
-        MinimizedTray, // Still runs, tray icon is visible.
-        Invisible, // Still runs, tray icon is invisible.
-        Terminate // Server is terminated as Wino terminates.
-    }
+    MinimizedTray, // Still runs, tray icon is visible.
+    Invisible, // Still runs, tray icon is invisible.
+    Terminate // Server is terminated as Wino terminates.
 }