[EXILED::API] Pickup::Category (#46)

* Item Category on Pickup

* Fixed Build Error

EXILED/Exiled.API/Features/Pickups/Pickup.cs

@@ -11,6 +11,7 @@ namespace Exiled.API.Features.Pickups
     using System.Collections.Generic;
     using System.Linq;
 
+    using Exiled.API.Extensions;
     using Exiled.API.Features.Core;
     using Exiled.API.Features.Pickups.Projectiles;
     using Exiled.API.Interfaces;
@@ -208,6 +209,11 @@ public float PickupTime
         /// </summary>
         public ItemType Type => Base.NetworkInfo.ItemId;
 
+        /// <summary>
+        /// Gets the <see cref="ItemCategory"/> of the item.
+        /// </summary>
+        public ItemCategory Category => Type.GetCategory();
+
         /// <summary>
         /// Gets or sets a value indicating whether the pickup is locked (can't be picked up).
         /// </summary>