Added Progress text to ProgressBar.xaml from Avalonia.Themes.Fluent

src/Avalonia.Themes.Fluent/Controls/ProgressBar.xaml

@@ -21,6 +21,7 @@
     <Setter Property="Template">
       <ControlTemplate>
         <Border x:Name="ProgressBarRoot" ClipToBounds="True" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="{TemplateBinding CornerRadius}">          
+          <Grid>
             <Panel>
               <Panel x:Name="DeterminateRoot">
                 <Border CornerRadius="{TemplateBinding CornerRadius}" x:Name="PART_Indicator" Margin="{TemplateBinding Padding}" Background="{TemplateBinding Foreground}" />
@@ -29,7 +30,11 @@
                 <Border x:Name="IndeterminateProgressBarIndicator" CornerRadius="{TemplateBinding CornerRadius}" Margin="{TemplateBinding Padding}" Background="{TemplateBinding Foreground}" />
                 <Border x:Name="IndeterminateProgressBarIndicator2" CornerRadius="{TemplateBinding CornerRadius}" Margin="{TemplateBinding Padding}" Background="{TemplateBinding Foreground}" />
               </Panel>
-            </Panel>          
+            </Panel>
+            <LayoutTransformControl HorizontalAlignment="Center" VerticalAlignment="Center" IsVisible="{Binding ShowProgressText, RelativeSource={RelativeSource TemplatedParent}}" x:Name="PART_LayoutTransformControl">
+              <TextBlock Foreground="{DynamicResource ThemeForegroundBrush}" Text="{Binding Value, RelativeSource={RelativeSource TemplatedParent}, StringFormat={}{0:0}%}" />
+            </LayoutTransformControl>
+          </Grid>
         </Border>
       </ControlTemplate>
     </Setter>