fix(core): Converts some packets & misc fixes/cleanup (#414)

- [X] Adds a stop music packet
- [X] Converts chat packets
- [X] Breaks out chat code a little bit more
- [X] Converts character statue animation packet
- [X] Renames some folders to have spaces
- [X] Organizes and consolidates incoming/outgoing packets for other content
- [X] Fixes virtual checks

Projects/UOContent/SpecialSystems/Items/Stones/AlchemyStone.cs

@@ -1,42 +0,0 @@
-namespace Server.Items
-{
-    public class AlchemyStone : Item
-    {
-        [Constructible]
-        public AlchemyStone() : base(0xED4)
-        {
-            Movable = false;
-            Hue = 0x250;
-        }
-
-        public AlchemyStone(Serial serial) : base(serial)
-        {
-        }
-
-        public override string DefaultName => "an Alchemist Supply Stone";
-
-        public override void OnDoubleClick(Mobile from)
-        {
-            var alcBag = new AlchemyBag();
-
-            if (!from.AddToBackpack(alcBag))
-            {
-                alcBag.Delete();
-            }
-        }
-
-        public override void Serialize(IGenericWriter writer)
-        {
-            base.Serialize(writer);
-
-            writer.Write(0); // version
-        }
-
-        public override void Deserialize(IGenericReader reader)
-        {
-            base.Deserialize(reader);
-
-            var version = reader.ReadInt();
-        }
-    }
-}