Clean the code

Author: erossini

README.md

@@ -105,7 +105,7 @@ _config1.Data.Datasets.Add(new Dataset()
 
 The result of the code above is this chart
 
-![image](https://user-images.githubusercontent.com/9497415/145194274-63997957-82ab-4b38-a2bf-bdd748c2b005.png)
+![image](https://user-images.githubusercontent.com/9497415/196674629-baaa69d2-24ab-484c-b35e-597cdd2b961c.png)
 
 ## Implemented charts
 - [x] Bar chart

src/Models/Common/HoverContext.cs

@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace PSC.Blazor.Components.Chartjs.Models.Common
+namespace PSC.Blazor.Components.Chartjs.Models.Common
 {
     /// <summary>
     /// Hover Context

src/Models/Common/Options.cs

@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Components.Web;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components.Web;
 
 namespace PSC.Blazor.Components.Chartjs.Models.Common
 {
@@ -106,5 +107,8 @@ public class Options : IOptions
         [JsonPropertyName("scales")]
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         public Dictionary<string, Axis> Scales { get; set; }
+
+        [JsonIgnore] 
+        public Func<MouseEventArgs, ValueTask>? OnMouseOutAsync { get; set; }
     }
 }