[OOBE] Bolded shortcuts / instructions (#10574)

* Colorpicker keys

* Key visuals added

* Added highlighted text

* Undo comment

Co-authored-by: Niels Laute <niels9001@hotmail.com>

src/settings-ui/Microsoft.PowerToys.Settings.UI/Controls/ShortcutTextControl.xaml.cs

@@ -0,0 +1,60 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using System.Text.RegularExpressions;
+using Windows.UI.Text;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Documents;
+
+namespace Microsoft.PowerToys.Settings.UI.Controls
+{
+    public sealed partial class ShortcutTextControl : UserControl
+    {
+        public string Text
+        {
+            get => (string)GetValue(TextProperty);
+            set => SetValue(TextProperty, value);
+        }
+
+        public ShortcutTextControl()
+        {
+            this.InitializeComponent();
+        }
+
+        public static readonly DependencyProperty TextProperty = DependencyProperty.Register("Text", typeof(string), typeof(ShortcutVisualControl), new PropertyMetadata(default(string), (s, e) =>
+        {
+            var self = (ShortcutTextControl)s;
+            var parts = Regex.Split(e.NewValue.ToString(), @"({[\s\S]+?})").Where(l => !string.IsNullOrEmpty(l)).ToArray();
+
+            foreach (var seg in parts)
+            {
+                if (!string.IsNullOrWhiteSpace(seg))
+                {
+                    if (seg.Contains("{", StringComparison.InvariantCulture))
+                    {
+                        Run key = new Run()
+                        {
+                            Text = Regex.Replace(seg, @"[{}]", string.Empty),
+                            FontWeight = FontWeights.SemiBold,
+                        };
+                        self.ContentText.Inlines.Add(key);
+                    }
+                    else
+                    {
+                        Run description = new Run()
+                        {
+                            Text = seg,
+                            FontWeight = FontWeights.Normal,
+                        };
+                        self.ContentText.Inlines.Add(description);
+                    }
+                }
+            }
+        }));
+    }
+}