Added decimal parser

Author: ajgorhoe

src/IGLib.Core/Console/Validation/Implementations/StringParsing/StringParserProvider.cs

@@ -29,6 +29,9 @@ private static object GetParser(Type targetType, IFormatProvider formatProvider)
             if (targetType == typeof(int))
                 return new Int32StringParser(formatProvider);
 
+            if (targetType == typeof(decimal))
+                return new DecimalStringParser(formatProvider);
+
 
 
             throw new NotSupportedException(