Moved application code to the Application layer

Imported Win10 project
Code cleanup
WIP - Use common UWP services for Win8.1 and Win10

ModernKeePass10/ViewModels/OpenViewModel.cs

@@ -0,0 +1,44 @@
+using System.Threading.Tasks;
+using Autofac;
+using ModernKeePass.Domain.AOP;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.ViewModels
+{
+    public class OpenViewModel: NotifyPropertyChangedBase
+    {
+        private readonly IRecentService _recentService;
+        private string _name;
+        private string _databaseFilePath;
+
+        public bool IsFileSelected => !string.IsNullOrEmpty(DatabaseFilePath);
+
+        public string Name
+        {
+            get => _name;
+            private set => SetProperty(ref _name, value);
+        }
+
+        public string DatabaseFilePath
+        {
+            get => _databaseFilePath;
+            private set => SetProperty(ref _databaseFilePath, value);
+        }
+
+        public OpenViewModel(): this(App.Container.Resolve<IRecentService>())
+        { }
+        public OpenViewModel(IRecentService recentService)
+        {
+            _recentService = recentService;
+        }
+        
+        public async Task OpenFile(FileInfo fileInfo)
+        {
+            Name = fileInfo.Name;
+            DatabaseFilePath = fileInfo.Path;
+            OnPropertyChanged(nameof(IsFileSelected));
+            await _recentService.Add(fileInfo);
+        }
+    }
+}