Makes more fields VV (#2026)

* Some more VV

* Fixed build & some more gun vvs

* Added VendingMachine Inventory & Items

Content.Server/GameObjects/Components/Weapon/Ranged/Barrels/PumpBarrelComponent.cs

@@ -18,6 +18,7 @@ using Robust.Shared.Localization;
 using Robust.Shared.Map;
 using Robust.Shared.Serialization;
 using Robust.Shared.Utility;
+using Robust.Shared.ViewVariables;
 
 namespace Content.Server.GameObjects.Components.Weapon.Ranged.Barrels
 {
@@ -47,8 +48,10 @@ namespace Content.Server.GameObjects.Components.Weapon.Ranged.Barrels
         private Stack<IEntity> _spawnedAmmo;
         private Container _ammoContainer;
 
+        [ViewVariables]
         private BallisticCaliber _caliber;
 
+        [ViewVariables]
         private string _fillPrototype;
         private int _unspawnedCount;