Add project files.

Converters/UppercaseTypographyConverter.cs

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+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Data;
+using System.Windows.Documents;
+
+namespace VirtualKeyboard.Wpf.Converters
+{
+    class UppercaseTypographyConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            bool uppercase = (bool)value;
+            if (uppercase) return FontCapitals.AllSmallCaps;
+            else return FontCapitals.Normal;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}