Add Rubbellos without function, add message /giveitem, add UseItem variable

ReallifeGamemode.Server/Inventory/Items/Rubellos.cs

@@ -0,0 +1,13 @@
+namespace ReallifeGamemode.Server.Inventory.Items
+{
+  public class Rubellos : UseItem
+  {
+    public override int Id => 200;
+    public override string Name => "Rubellos";
+    public override string Description => "Glücksspiel kann süchtig machen";
+    public override int Gewicht => 10;
+    public override string Einheit => "g";
+    public override uint Object => 875075437;
+    public override int Price => 0;
+  }
+}

ReallifeGamemode.Server/Inventory/Items/UseItem.cs

@@ -0,0 +1,27 @@
+using GTANetworkAPI;
+using ReallifeGamemode.Database.Entities;
+using ReallifeGamemode.Server.Extensions;
+using ReallifeGamemode.Server.Inventory.Interfaces;
+using ReallifeGamemode.Server.Managers;
+
+namespace ReallifeGamemode.Server.Inventory.Items
+{
+  public abstract class UseItem : IUsableItem
+  {
+    public abstract int Id { get; }
+    public abstract string Name { get; }
+    public abstract string Description { get; }
+    public abstract int Gewicht { get; }
+    public abstract string Einheit { get; }
+    public abstract uint Object { get; }
+    public abstract int Price { get; }
+
+    public void Use(UserItem uItem)
+    {
+      Player player = uItem.GetUser().Player;
+
+      player.SendNotification("Du hast ~g~" + " ~y~" + InventoryManager.GetItemById(uItem.ItemId).Name + " ~s~verwendet.", false);
+      InventoryManager.RemoveUserItem(player.GetUser(), uItem, 1);
+    }
+  }
+}