修改了图标，修改了主题色，修改了Avalonia的渲染方式，使图片和形状更加圆润

Author: Dime12022

Round.NET.AvaloniaApp.EncodeCalculator/App.axaml

@@ -8,7 +8,7 @@
 
     <Application.Styles>
         <StyleInclude Source="avares://AvaloniaEdit/Themes/Fluent/AvaloniaEdit.xaml"/>
-        <styling:FluentAvaloniaTheme />
+        <styling:FluentAvaloniaTheme PreferUserAccentColor="True" CustomAccentColor="HotPink"/>
     </Application.Styles>
              <TrayIcon.Icons>
                  <TrayIcons>

Round.NET.AvaloniaApp.EncodeCalculator/Assets/Icon.ico

@@ -29,6 +29,9 @@ public MainWindow()
         TaskCore.InitTaskCore();
 
         InitializeComponent();
+        RenderOptions.SetTextRenderingMode(this, TextRenderingMode.SubpixelAntialias); // 字体渲染模式
+        RenderOptions.SetBitmapInterpolationMode(this, BitmapInterpolationMode.MediumQuality); // 图片渲染模式
+        RenderOptions.SetEdgeMode(this, EdgeMode.Antialias); // 形状渲染模式
         if (Config.MainConfig.AutomaticUpdates)
         {
             UpdateFunc();