Wieldable/two-handed weapons (#4554)

* wielding kinda works

* rough out all the edges, wielding works nicely

* popups + loc

* increase damage & extra damage against whitelist

* small fixes

* forgot to actually do that

* reviews

* reviews + thing

* use resistances and not extradamageagainstwhitelist

* slashy

* make increasedamageonwield and melee hit events work with modifiersets

* Silly individual

Content.Shared/Hands/SharedHandsSystem.cs

@@ -96,4 +96,20 @@ namespace Content.Shared.Hands
             HandName = handName;
         }
     }
+
+    /// <summary>
+    ///     Raised directed on both the blocking entity and user when
+    ///     a virtual hand item is deleted.
+    /// </summary>
+    public class VirtualItemDeletedEvent : EntityEventArgs
+    {
+        public EntityUid BlockingEntity;
+        public EntityUid User;
+
+        public VirtualItemDeletedEvent(EntityUid blockingEntity, EntityUid user)
+        {
+            BlockingEntity = blockingEntity;
+            User = user;
+        }
+    }
 }