Add IItemStatus to some weapon types (#1879)

* Bolt Action

* Shotguns

* Revolver + Outline

* In Magazines: show bullets as numbers plus the usual bullet stuff

* Empty bullets have another texture

Content.Shared/GameObjects/Components/Weapons/Ranged/Barrels/SharedRevolverBarrelComponent.cs

@@ -0,0 +1,30 @@
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Content.Shared.GameObjects.Components.Weapons.Ranged.Barrels
+{
+    [Serializable, NetSerializable]
+    public class RevolverBarrelComponentState : ComponentState
+    {
+        public int CurrentSlot { get; }
+        public FireRateSelector FireRateSelector { get; }
+        public bool?[] Bullets { get; }
+        public string SoundGunshot { get; }
+
+        public RevolverBarrelComponentState(
+            int currentSlot,
+            FireRateSelector fireRateSelector,
+            bool?[] bullets,
+            string soundGunshot) :
+            base(ContentNetIDs.REVOLVER_BARREL)
+        {
+            CurrentSlot = currentSlot;
+            FireRateSelector = fireRateSelector;
+            Bullets = bullets;
+            SoundGunshot = soundGunshot;
+        }
+    }
+}