Revert "File scoped namespaces"

This reverts commit d31d8f574e.

Wino.Core.Domain/Interfaces/IStoreManagementService.cs

@@ -2,17 +2,18 @@
 using Wino.Core.Domain.Enums;
 using Wino.Core.Domain.Models.Store;
 
-namespace Wino.Core.Domain.Interfaces;
-
-public interface IStoreManagementService
+namespace Wino.Core.Domain.Interfaces
 {
-    /// <summary>
-    /// Checks whether user has the type of an add-on purchased.
-    /// </summary>
-    Task<bool> HasProductAsync(StoreProductType productType);
+    public interface IStoreManagementService
+    {
+        /// <summary>
+        /// Checks whether user has the type of an add-on purchased.
+        /// </summary>
+        Task<bool> HasProductAsync(StoreProductType productType);
 
-    /// <summary>
-    /// Attempts to purchase the given add-on.
-    /// </summary>
-    Task<StorePurchaseResult> PurchaseAsync(StoreProductType productType);
+        /// <summary>
+        /// Attempts to purchase the given add-on.
+        /// </summary>
+        Task<StorePurchaseResult> PurchaseAsync(StoreProductType productType);
+    }
 }