Code refactor and simplfication

ModernKeePassLib assembly info updated and version fixed

ModernKeePass/ViewModels/MainMenuItemVm.cs

@@ -0,0 +1,29 @@
+using System;
+using Windows.UI.Xaml.Controls;
+using ModernKeePass.Interfaces;
+
+namespace ModernKeePass.ViewModels
+{
+    public class MainMenuItemVm: IIsEnabled
+    {
+        private string _title;
+
+        public string Title
+        {
+            get { return IsEnabled ? _title : _title + " - Coming soon"; }
+            set { _title = value; }
+        }
+
+        public Type PageType { get; set; }
+        public object Parameter { get; set; }
+        public Frame Destination { get; set; }
+        public int Group { get; set; } = 0;
+        public Symbol SymbolIcon { get; set; }
+        public bool IsEnabled => PageType != null;
+
+        public override string ToString()
+        {
+            return Title;
+        }
+    }
+}