Ground work for Wino Calendar. (#475)

Wino Calendar abstractions.

Wino.Core.ViewModels/SettingsPageViewModel.cs

@@ -0,0 +1,14 @@
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Core.ViewModels
+{
+    public class SettingsPageViewModel : CoreBaseViewModel
+    {
+        public SettingsPageViewModel(INavigationService navigationService)
+        {
+            NavigationService = navigationService;
+        }
+
+        public INavigationService NavigationService { get; }
+    }
+}