Add view for deleting item

Views/WarningDeleteItem.axaml

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+<UserControl xmlns="https://github.com/avaloniaui"
+             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" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="ReceiptPDFBuilder.Views.WarningDeleteItem"
+             xmlns:models="clr-namespace:ReceiptPDFBuilder.Models"
+             xmlns:vm="clr-namespace:ReceiptPDFBuilder.ViewModels"
+             xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
+             x:DataType="vm:WarningDeleteItemModel">
+    <StackPanel>
+        <TextBlock TextAlignment="Center"
+                   FontWeight="Bold">Are you sure you want to remove this item?</TextBlock>
+        <StackPanel Orientation="Horizontal">
+            <Button Command="{Binding KeepItem}">
+                <TextBlock><Run Text="&#xf02e;" FontFamily="{StaticResource FontAwesomeSolid}"/> Keep Item</TextBlock>
+            </Button>
+            <Button Command="{Binding RemoveItem}">
+                <TextBlock><Run Text="&#xf1f8;" FontFamily="{StaticResource FontAwesomeSolid}"/> Remove Item</TextBlock>
+            </Button>
+        </StackPanel>
+    </StackPanel>
+</UserControl>

Views/WarningDeleteItem.axaml.cs

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+using System;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace ReceiptPDFBuilder.Views
+{
+    public partial class WarningDeleteItem : UserControl
+    {
+        public WarningDeleteItem()
+        {
+            this.InitializeComponent();
+        }
+    }
+}