Drag drop finally works

WIP item background
New Donate page stub
Renamed some classes as services

ModernKeePass/Pages/MainPageFrames/DonatePage.xaml

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+<Page
+    x:Class="ModernKeePass.Pages.MainPageFrames.DonatePage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d">
+
+    <StackPanel Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+        <TextBlock x:Uid="DonateDesc" />
+        <RadioButton GroupName="DonateOptions"  />
+        <Button x:Uid="DonateButton" />
+    </StackPanel>
+</Page>

ModernKeePass/Pages/MainPageFrames/DonatePage.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Controls.Primitives;
+using Windows.UI.Xaml.Data;
+using Windows.UI.Xaml.Input;
+using Windows.UI.Xaml.Media;
+using Windows.UI.Xaml.Navigation;
+
+// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238
+
+namespace ModernKeePass.Pages.MainPageFrames
+{
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public sealed partial class DonatePage : Page
+    {
+        public DonatePage()
+        {
+            this.InitializeComponent();
+        }
+    }
+}