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.Client/Hands/Systems/HandVirtualItemSystem.cs

@@ -0,0 +1,18 @@
+using Content.Client.Items;
+using Content.Shared.Hands.Components;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+
+namespace Content.Client.Hands.Systems
+{
+    [UsedImplicitly]
+    public sealed class HandVirtualItemSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            Subs.ItemStatus<HandVirtualItemComponent>(_ => new HandVirtualItemStatus());
+        }
+    }
+}