New colors supported by PS7 (PowerShell#1064)

Author: SteveL-MSFT

src/PowerShellEditorServices/Session/Host/EditorServicesPSHost.cs

@@ -87,6 +87,28 @@ internal ConsoleColorProxy(EditorServicesPSHostUserInterface hostUserInterface)
                 _hostUserInterface = hostUserInterface;
             }
 
+            /// <summary>
+            /// The Accent Color for Formatting
+            /// </summary>
+            public ConsoleColor FormatAccentColor
+            {
+                get
+                { return _hostUserInterface.FormatAccentColor; }
+                set
+                { _hostUserInterface.FormatAccentColor = value; }
+            }
+
+            /// <summary>
+            /// The Accent Color for Error
+            /// </summary>
+            public ConsoleColor ErrorAccentColor
+            {
+                get
+                { return _hostUserInterface.ErrorAccentColor; }
+                set
+                { _hostUserInterface.ErrorAccentColor = value; }
+            }
+
             /// <summary>
             /// The ForegroundColor for Error
             /// </summary>

src/PowerShellEditorServices/Session/Host/EditorServicesPSHostUserInterface.cs

@@ -690,6 +690,9 @@ private void WriteDebuggerBanner(DebuggerStopEventArgs eventArgs)
 
         internal static ConsoleColor BackgroundColor { get; set; }
 
+        internal ConsoleColor FormatAccentColor { get; set; } = ConsoleColor.Green;
+        internal ConsoleColor ErrorAccentColor { get; set; } = ConsoleColor.Cyan;
+
         internal ConsoleColor ErrorForegroundColor { get; set; } = ConsoleColor.Red;
         internal ConsoleColor ErrorBackgroundColor { get; set; } = BackgroundColor;