Cleanup, comments

Jugenddienst Stunden/Types/TimeDay.cs

@@ -1,13 +1,9 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+namespace Jugenddienst_Stunden.Types;
 
-namespace Jugenddienst_Stunden.Types;
-
-    public class TimeDay
-    {
-        public int Day { get; set; }
-        public decimal Hours { get; set; }
-    }
+/// <summary>
+/// Summe der geleisteten Stunden.
+/// </summary>
+public struct TimeDay {
+    public int Day { get; set; }
+    public decimal Hours { get; set; }
+}