Revert "File scoped namespaces"

This reverts commit d31d8f574e.

Wino.Core.Domain/Interfaces/IUnsubscriptionService.cs

@@ -1,14 +1,15 @@
 using System.Threading.Tasks;
 using Wino.Core.Domain.Models.Reader;
 
-namespace Wino.Core.Domain.Interfaces;
-
-public interface IUnsubscriptionService
+namespace Wino.Core.Domain.Interfaces
 {
-    /// <summary>
-    /// Unsubscribes from the subscription using one-click method.
-    /// </summary>
-    /// <param name="info">Unsubscribtion information.</param>
-    /// <returns>Whether the unsubscription is succeeded or not.</returns>
-    Task<bool> OneClickUnsubscribeAsync(UnsubscribeInfo info);
+    public interface IUnsubscriptionService
+    {
+        /// <summary>
+        /// Unsubscribes from the subscription using one-click method.
+        /// </summary>
+        /// <param name="info">Unsubscribtion information.</param>
+        /// <returns>Whether the unsubscription is succeeded or not.</returns>
+        Task<bool> OneClickUnsubscribeAsync(UnsubscribeInfo info);
+    }
 }