Ground work for Wino Calendar. (#475)

Wino Calendar abstractions.

Wino.Calendar/Services/ApplicationResourceManager.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Wino.Calendar.Services
+{
+    internal class ApplicationResourceManager
+    {
+    }
+}

Wino.Calendar/Services/DialogService.cs

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+using Windows.UI.Xaml;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.UWP.Services;
+
+namespace Wino.Calendar.Services
+{
+    public class DialogService : DialogServiceBase, ICalendarDialogService
+    {
+        public DialogService(IThemeService themeService,
+                             IConfigurationService configurationService,
+                             IApplicationResourceManager<ResourceDictionary> applicationResourceManager) : base(themeService, configurationService, applicationResourceManager)
+        {
+        }
+    }
+}

Wino.Calendar/Services/NavigationService.cs

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+using System;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Wino.Calendar.Views;
+using Wino.Calendar.Views.Account;
+using Wino.Calendar.Views.Settings;
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.Domain.Models.Navigation;
+using Wino.Core.UWP.Services;
+using Wino.Views;
+
+namespace Wino.Calendar.Services
+{
+    public class NavigationService : NavigationServiceBase, INavigationService
+    {
+        public Type GetPageType(WinoPage winoPage)
+        {
+            switch (winoPage)
+            {
+                case WinoPage.CalendarPage:
+                    return typeof(CalendarPage);
+                case WinoPage.SettingsPage:
+                    return typeof(SettingsPage);
+                case WinoPage.CalendarSettingsPage:
+                    return typeof(CalendarSettingsPage);
+                case WinoPage.AccountManagementPage:
+                    return typeof(AccountManagementPage);
+                default:
+                    throw new Exception("Page is not implemented yet.");
+            }
+        }
+
+        public bool Navigate(WinoPage page, object parameter = null, NavigationReferenceFrame frame = NavigationReferenceFrame.ShellFrame, NavigationTransitionType transition = NavigationTransitionType.None)
+        {
+            // All navigations are performed on shell frame for calendar.
+
+            if (Window.Current.Content is Frame appFrame && appFrame.Content is AppShell shellPage)
+            {
+                var shellFrame = shellPage.GetShellFrame();
+
+                var pageType = GetPageType(page);
+
+                shellFrame.Navigate(pageType, parameter);
+                return true;
+            }
+
+            return false;
+        }
+    }
+}