Ground work for Wino Calendar. (#475)

Wino Calendar abstractions.

Wino.Core.Domain/Models/Calendar/CalendarSettings.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using Wino.Core.Domain.Enums;
+
+namespace Wino.Core.Domain.Models.Calendar
+{
+    public record CalendarSettings(DayOfWeek FirstDayOfWeek,
+                                   List<DayOfWeek> WorkingDays,
+                                   TimeSpan WorkingHourStart,
+                                   TimeSpan WorkingHourEnd,
+                                   double HourHeight,
+                                   DayHeaderDisplayType DayHeaderDisplayType,
+                                   CultureInfo CultureInfo);
+}