added stylecop (#1933)

* added stylecop

* removed xml documentation

* used common stylecop file

src/core/Microsoft.PowerToys.Settings.UI.Lib/SndPowerRenameSettings.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Microsoft.PowerToys.Settings.UI.Lib
+{
+    public class SndPowerRenameSettings
+    {
+        [JsonPropertyName("PowerRename")]
+        public PowerRenameSettings PowerRename { get; set; }
+
+        public SndPowerRenameSettings(PowerRenameSettings settings)
+        {
+            this.PowerRename = settings;
+        }
+
+        public string ToJsonString()
+        {
+            return JsonSerializer.Serialize(this);
+        }
+    }
+}