chore: use file-scoped namespace

src/Shared/HandyControl_Shared/Data/HandyControlConfig.cs

@@ -1,9 +1,8 @@
-namespace HandyControl.Data
-{
-    public class HandyControlConfig
-    {
-        public string Lang { get; set; }
+namespace HandyControl.Data;
 
-        public int TimelineFrameRate { get; set; } = 60;
-    }
-}
+public class HandyControlConfig
+{
+    public string Lang { get; set; }
+
+    public int TimelineFrameRate { get; set; } = 60;
+}