New Database settings page

Implements Recycle Bin (new group creation still needs to be implemented)
Code refactoring

ModernKeePass/Converters/BooleanToFontStyleConverter.cs

@@ -0,0 +1,20 @@
+using System;
+using Windows.UI.Text;
+using Windows.UI.Xaml.Data;
+
+namespace ModernKeePass.Converters
+{
+    public class BooleanToFontStyleConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            var boolean = value is bool ? (bool)value : false;
+            return boolean ? FontStyle.Italic : FontStyle.Normal;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}