Makes selectedDay in BasicCalendarViewConfigurator readonly

Author: Admin

Sources/YourCalendar/Implementation/BasicCalendarConfigurator.swift

@@ -8,7 +8,10 @@ import UIKit
 public final class BasicCalendarViewConfigurator: CalendarViewConfiguratorProtocol {
     public typealias Predicate = (Date) -> Bool
     public typealias Model = CalendarViewDayCell.Model
-
+    
+    /// Selected day model
+    private(set) var selectedDay: Date?
+    
     private var formatter = DateFormatter().with {
         $0.dateFormat = "d"
     }
@@ -25,8 +28,6 @@ public final class BasicCalendarViewConfigurator: CalendarViewConfiguratorProtoc
         (Constants.calendar.shortWeekdaySymbols[safe: $0 % Constants.weekdaysCount] ?? "").uppercased()
     }
 
-    private var selectedDay: Date?
-
     /// Designated initialiser
     /// - Parameter enumerator: Calendar page dates enumerator
     public init(enumerator: CalendarViewDateEnumeratorProtocol) {