Implement NET8 server but without packaging capability.

Wino.Server.NET8/Styles/TrayIconResources.xaml

@@ -0,0 +1,44 @@
+<ResourceDictionary
+    x:Class="Wino.Server.Styles.TrayIconResources"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:domain="using:Wino.Core.Domain"
+    xmlns:local="using:Wino.Server"
+    xmlns:tb="using:H.NotifyIcon">
+
+    <!--  TODO: Localize by Translator.  -->
+    <XamlUICommand
+        x:Key="LaunchCommand"
+        Label="Launch"
+        Description="Activates Wino Mail window.">
+        <XamlUICommand.IconSource>
+            <SymbolIconSource Symbol="Accept" />
+        </XamlUICommand.IconSource>
+    </XamlUICommand>
+
+    <XamlUICommand
+        x:Key="TerminateCommand"
+        Label="Quit"
+        Description="Close Wino Mail completely.">
+        <XamlUICommand.IconSource>
+            <SymbolIconSource Symbol="ClosePane" />
+        </XamlUICommand.IconSource>
+    </XamlUICommand>
+
+    <tb:TaskbarIcon
+        x:Key="TrayIcon"
+        Visibility="Visible"
+        ToolTipText="Wino Mail"
+        ContextMenuMode="PopupMenu"
+        LeftClickCommand="{StaticResource LaunchCommand}"
+        NoLeftClickDelay="True"
+        IconSource="\Assets\Wino_Icon.ico">
+        <tb:TaskbarIcon.ContextFlyout>
+            <MenuFlyout>
+                <MenuFlyoutItem Command="{StaticResource LaunchCommand}" />
+                <MenuFlyoutItem Command="{StaticResource TerminateCommand}" />
+            </MenuFlyout>
+        </tb:TaskbarIcon.ContextFlyout>
+    </tb:TaskbarIcon>
+
+</ResourceDictionary>

Wino.Server.NET8/Styles/TrayIconResources.xaml.cs

@@ -0,0 +1,12 @@
+using Microsoft.UI.Xaml;
+
+namespace Wino.Server.Styles
+{
+    partial class TrayIconResources : ResourceDictionary
+    {
+        public TrayIconResources()
+        {
+            InitializeComponent();
+        }
+    }
+}