Make creation of horizontal bar configs easier [BREAKING]

Instead of passing the correct ChartType, you can just specify a boolean value representing if the chart will be horizontal or not.

ChartJs.Blazor.Samples/Client/Pages/Charts/Bar/Horizontal.razor

@@ -19,7 +19,7 @@
 
     protected override void OnInitialized()
     {
-        _config = new BarConfig(ChartType.HorizontalBar)
+        _config = new BarConfig(horizontal: true)
         {
             Options = new BarOptions
             {

src/ChartJs.Blazor/BarChart/BarConfig.cs

@@ -11,6 +11,12 @@ public class BarConfig : ConfigBase<BarOptions>
         /// <summary>
         /// Creates a new instance of the <see cref="BarConfig"/> class.
         /// </summary>
-        public BarConfig(ChartType type = null) : base(type ?? ChartType.Bar) { }
+        /// <param name="horizontal">
+        /// If <see langword="true"/>, the chart-type will be set to <see cref="ChartType.HorizontalBar"/>
+        /// instead of <see cref="ChartType.Bar"/> which turns this chart into a horizontal
+        /// bar chart. If set to <see langword="true"/>, you also have to pass in <see langword="true"/> for
+        /// the <see cref="BarDataset{T}"/>s.
+        /// </param>
+        public BarConfig(bool horizontal = false) : base(horizontal ? ChartType.HorizontalBar : ChartType.Bar) { }
     }
 }