Fix label HTML render output (#143)

* Fix label HTML render output

* Remove unnecessary ToString() from Text property

Author: hishamco

src/BlazorWebFormsComponents/Interfaces/ITextComponent.cs

@@ -0,0 +1,7 @@
+namespace BlazorWebFormsComponents.Interfaces
+{
+  public interface ITextComponent
+  {
+		string Text { get; set; }
+  }
+}

src/BlazorWebFormsComponents/Label.razor

@@ -2,5 +2,5 @@
 
 @if (Visible)
 {
-	<label id="@ID">@Text.ToString()</label>
+	<span id="@ID">@Text</span>
 }

src/BlazorWebFormsComponents/Label.razor.cs

@@ -1,10 +1,11 @@
-using Microsoft.AspNetCore.Components;
+using BlazorWebFormsComponents.Interfaces;
+using Microsoft.AspNetCore.Components;
 
 namespace BlazorWebFormsComponents
 {
-  public partial class Label : BaseWebFormsComponent
+  public partial class Label : BaseWebFormsComponent, ITextComponent
 	{ 
-		[Parameter] public object Text { get; set; }
-
+		[Parameter]
+		public string Text { get; set; }
 	}
 }