Auto updater added

PWAppUpdater/MainWindow.xaml.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Net.NetworkInformation;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace PWAppUpdater
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+
+
+            statusText.Content = "The program will now be updated.\nPlease click \"OK\" to continue.";
+        }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            OKButton.IsEnabled = false;
+            for(int i = 0; i < 100; i++) 
+            {
+                barProgressBar.Value = i;
+                barProgressBar.UpdateLayout();
+                Thread.Sleep(100);
+            }
+        }
+    }
+}