Initial TaskbarLauncher release baseline

Views/LauncherPopup.xaml

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+<Window x:Class="TaskbarLauncher.Views.LauncherPopup"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="Taskbar Launcher"
+        Width="360" SizeToContent="Height"
+        MaxHeight="720"
+        WindowStyle="None"
+        ResizeMode="NoResize"
+        ShowInTaskbar="False"
+        Topmost="True"
+        Background="{DynamicResource AppWindowBrush}"
+        Foreground="{DynamicResource AppTextBrush}">
+    <Border BorderThickness="1"
+            BorderBrush="{DynamicResource AppBorderBrush}"
+            Background="{DynamicResource AppSurfaceBrush}"
+            Padding="10">
+        <DockPanel>
+            <StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="0,0,0,8">
+                <TextBlock Text="Taskbar Launcher" FontWeight="SemiBold" VerticalAlignment="Center"/>
+                <Button Content="Settings" HorizontalAlignment="Right" Margin="12,0,0,0" Padding="8,4"
+                        Click="Settings_Click"/>
+            </StackPanel>
+            <TextBox x:Name="SearchBox"
+                     DockPanel.Dock="Top"
+                     Margin="0,0,0,8"
+                     Padding="8,5"
+                     TextChanged="SearchBox_TextChanged"
+                     PreviewKeyDown="SearchBox_PreviewKeyDown"/>
+            <ScrollViewer x:Name="ItemsScrollViewer"
+                          VerticalScrollBarVisibility="Auto"
+                          HorizontalScrollBarVisibility="Disabled">
+                <StackPanel x:Name="ItemsPanel"/>
+            </ScrollViewer>
+        </DockPanel>
+    </Border>
+</Window>