update grafico come stepped line

MP.Stats/Data/ChartTS.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MP.Stats.Data
+{
+    public class ChartTS
+    {
+        #region Public Properties
+
+        public DateTime TLabel { get; set; } = DateTime.Now;
+        public double Value { get; set; } = 0;
+
+        #endregion Public Properties
+    }
+}