feat(ProgressBar): lightweight styling for Progress controls

fix: pr comments

src/library/Uno.Material/Styles/Controls/v2/ProgressBar.xaml

@@ -9,12 +9,14 @@
 		<ResourceDictionary x:Key="Default">
 			<StaticResource x:Key="ProgressBarForeground" ResourceKey="PrimaryBrush" />
 			<StaticResource x:Key="ProgressBarBackground" ResourceKey="SurfaceVariantBrush" />
+
 			<x:Double x:Key="ProgressBarMinWidth">250</x:Double>
 			<x:Double x:Key="ProgressBarHeight">4</x:Double>
 		</ResourceDictionary>
 		<ResourceDictionary x:Key="Light">
 			<StaticResource x:Key="ProgressBarForeground" ResourceKey="PrimaryBrush" />
 			<StaticResource x:Key="ProgressBarBackground" ResourceKey="SurfaceVariantBrush" />
+
 			<x:Double x:Key="ProgressBarMinWidth">250</x:Double>
 			<x:Double x:Key="ProgressBarHeight">4</x:Double>
 		</ResourceDictionary>

src/library/Uno.Themes.WinUI.Markup/Theme.Styles.cs

@@ -101,18 +101,6 @@ public static class PipsPager
 				public static StaticResourceKey<Style> Default => new("PipsPagerStyle");
 			}
 
-			public static class ProgressBar
-			{
-				[ResourceKeyDefinition(typeof(Style), "ProgressBarStyle", TargetType = typeof(ProgressBar))]
-				public static StaticResourceKey<Style> Default => new("ProgressBarStyle");
-			}
-
-			public static class ProgressRing
-			{
-				[ResourceKeyDefinition(typeof(Style), "ProgressRingStyle", TargetType = typeof(ProgressRing))]
-				public static StaticResourceKey<Style> Default => new("ProgressRingStyle");
-			}
-
 			public static class Slider
 			{
 				[ResourceKeyDefinition(typeof(Style), "SliderStyle", TargetType = typeof(Slider))]

src/library/Uno.Themes.WinUI.Markup/Theme/ProgressBar.cs

@@ -0,0 +1,33 @@
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Media;
+using Uno.Extensions.Markup.Internals;
+
+namespace Uno.Themes.Markup
+{
+	public static partial class Theme
+	{
+		public static class ProgressBar
+		{
+			public static class Resources
+			{
+				[ResourceKeyDefinition(typeof(Brush), "ProgressBarForeground")]
+				public static ResourceValue<Brush> Foreground => new("ProgressBarForeground", true);
+
+				[ResourceKeyDefinition(typeof(Brush), "ProgressBarBackground")]
+				public static ResourceValue<Brush> Background => new("ProgressBarBackground", true);
+
+				[ResourceKeyDefinition(typeof(double), "ProgressBarMinWidth")]
+				public static ResourceValue<double> MinWidth => new("ProgressBarMinWidth", true);
+
+				[ResourceKeyDefinition(typeof(double), "ProgressBarHeight")]
+				public static ResourceValue<double> Height => new("ProgressBarHeight", true);
+			}
+
+			public static class Styles
+			{
+				[ResourceKeyDefinition(typeof(Style), "ProgressBarStyle", TargetType = typeof(ProgressBar))]
+				public static ResourceValue<Style> Default => new("ProgressBarStyle");
+			}
+		}
+	}
+}

src/library/Uno.Themes.WinUI.Markup/Theme/ProgressRing.cs

@@ -0,0 +1,33 @@
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Media;
+using Uno.Extensions.Markup.Internals;
+
+namespace Uno.Themes.Markup
+{
+	public static partial class Theme
+	{
+		public static class ProgressRing
+		{
+			public static class Resources
+			{
+				public static class Foreground
+				{
+					[ResourceKeyDefinition(typeof(Brush), "ProgressRingForeground")]
+					public static ResourceValue<Brush> Default => new("ProgressRingForeground", true);
+				}
+
+				public static class Background
+				{
+					[ResourceKeyDefinition(typeof(Brush), "ProgressRingBackground")]
+					public static ResourceValue<Brush> Default => new("ProgressRingBackground", true);
+				}
+			}
+
+			public static class Styles
+			{
+				[ResourceKeyDefinition(typeof(Style), "ProgressRingStyle", TargetType = typeof(ProgressRing))]
+				public static ResourceValue<Style> Default => new("ProgressRingStyle");
+			}
+		}
+	}
+}