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/Server/Network/Packets/OutgoingPlayerPackets.cs

@@ -303,6 +303,8 @@ namespace Server.Network
             ns.Send(writer.Span);
         }
 
+        public static void SendStopMusic(this NetState ns) => ns?.Send(stackalloc byte[] { 0x6D, 0x1F, 0xFF });
+
         public static void SendScrollMessage(this NetState ns, int type, int tip, string text)
         {
             if (ns == null)