Added invariant culture selector

Author: ajgorhoe

src/IGLib.Core/Console/Validation/DefaultFormatProvider/Alt/InvariantCultureFormatProviderSelector.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+
+namespace IGLib.Alt;
+
+public sealed class InvariantCultureFormatProviderSelector : IDefaultFormatProviderSelector
+{
+    public IFormatProvider DefaultFormatProvider => CultureInfo.InvariantCulture;
+
+}