Add Support for DateTime and DateTimeOffset Parameter Types

Please add DateTime and DateTimeOffset parameter types:

        [Parameter("Time with Offset", DefaultValue = "2020-04-22T14:00:00.0076536+03:00")]
        public DateTimeOffset TimeWithOffset { get; set; }
        
        [Parameter("Timet", DefaultValue = "2020-04-22T14:00:00.0076536")]
        public DateTime Time { get; set; }

The default value should accept a DateTime or DateTimeOffset string in ISO format, and the user will be able to use a date time picker to set the parameter value.