Added book details dialog

Source/LibationWinForms/AvaloniaUI/Controls/GroupBox.axaml

@@ -0,0 +1,55 @@
+<ContentControl 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"
+			 xmlns:controls="clr-namespace:LibationWinForms.AvaloniaUI.Controls"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="LibationWinForms.AvaloniaUI.Controls.GroupBox">
+
+	<Design.DataContext>
+	</Design.DataContext>
+
+	<ContentControl.Styles>
+		<Style Selector="controls|GroupBox Border">
+			<Setter Property="BorderBrush" Value="DarkGray" />
+		</Style>
+		<Style Selector="controls|GroupBox">
+			<Setter Property="Template">
+				<ControlTemplate>
+					<Grid ColumnDefinitions="Auto,*,Auto" RowDefinitions="7,10,*,Auto">
+
+						<Grid
+							ZIndex="1"
+							Grid.Row="0"
+							Grid.RowSpan="2"
+							Grid.Column="1" Margin="8,0,0,0"
+							ColumnDefinitions="Auto,*"
+							VerticalAlignment="Top">
+							<TextBlock
+								Padding="4,0,4,0"
+								Background="{StaticResource SystemAltHighColor}"
+								Text="{TemplateBinding Label}"
+								/>
+						</Grid>
+
+						<ContentPresenter
+							Margin="8,0,8,5"
+							Grid.Row="2"
+							Grid.Column="1"
+							Content="{TemplateBinding Content}"/>
+
+						<Border
+							BorderBrush="DarkGray"
+							BorderThickness="{TemplateBinding BorderWidth}"
+							CornerRadius="3"
+							Grid.Column="0"
+							Grid.ColumnSpan="3"
+							Grid.Row="1"
+							Grid.RowSpan="3"/>
+					
+					</Grid>
+				</ControlTemplate>
+			</Setter>
+		</Style>
+	</ContentControl.Styles>
+</ContentControl>

Source/LibationWinForms/AvaloniaUI/Controls/GroupBox.axaml.cs

@@ -0,0 +1,38 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace LibationWinForms.AvaloniaUI.Controls
+{
+	public partial class GroupBox : ContentControl
+	{
+
+		public static readonly StyledProperty<Thickness> BorderWidthProperty =
+		AvaloniaProperty.Register<GroupBox, Thickness>(nameof(BorderWidth));
+
+		public static readonly StyledProperty<string> LabelProperty =
+		AvaloniaProperty.Register<GroupBox, string>(nameof(Label));
+		public GroupBox()
+		{
+			InitializeComponent();
+			BorderWidth = new Thickness(3);
+			Label = "This is a groupbox label";
+		}
+		public Thickness BorderWidth
+		{
+			get { return GetValue(BorderWidthProperty); }
+			set { SetValue(BorderWidthProperty, value); }
+		}
+
+		public string Label
+		{
+			get { return GetValue(LabelProperty); }
+			set { SetValue(LabelProperty, value); }
+		}
+
+		private void InitializeComponent()
+		{
+			AvaloniaXamlLoader.Load(this);
+		}
+	}
+}