Improved chart visual

Models/EnergyData.cs

@@ -8,7 +8,8 @@ namespace BattSim.Models
         public bool DayTariff { get; set; }
         public double Consumption { get; set; }
         public double Production { get; set; }
-     
+        public double BatteryCharge { get; set; }
+
         public EnergyData(){}
         public EnergyData(EnergyData other)
         {
@@ -16,6 +17,7 @@ namespace BattSim.Models
             DayTariff = other.DayTariff;
             Consumption = other.Consumption;
             Production = other.Production;
+            BatteryCharge = other.BatteryCharge;
         }
     }
 }