Refactored the calendar synchronization code using AI.

Wino.Core.Domain/Enums/AttendeeResponseStatus.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Wino.Core.Domain.Enums;
+/// <summary>
+/// Represents the response status of an attendee to a calendar event
+/// </summary>
+public enum AttendeeResponseStatus
+{
+    /// <summary>
+    /// The attendee has not responded to the invitation
+    /// </summary>
+    NeedsAction = 0,
+
+    /// <summary>
+    /// The attendee has accepted the invitation
+    /// </summary>
+    Accepted = 1,
+
+    /// <summary>
+    /// The attendee has declined the invitation
+    /// </summary>
+    Declined = 2,
+
+    /// <summary>
+    /// The attendee has tentatively accepted the invitation
+    /// </summary>
+    Tentative = 3
+}