file scoped namespaces (#565)

Wino.Core.Domain/Interfaces/IUIMessage.cs

@@ -1,11 +1,10 @@
-namespace Wino.Core.Domain.Interfaces
-{
-    /// <summary>
-    /// Interface for all messages to report UI changes from synchronizers to UI.
-    /// None of these messages can't run a code that manipulates database.
-    /// They are sent either from processor or view models to signal some other
-    /// parts of the application.
-    /// </summary>
+namespace Wino.Core.Domain.Interfaces;
 
-    public interface IUIMessage;
-}
+/// <summary>
+/// Interface for all messages to report UI changes from synchronizers to UI.
+/// None of these messages can't run a code that manipulates database.
+/// They are sent either from processor or view models to signal some other
+/// parts of the application.
+/// </summary>
+
+public interface IUIMessage;