Split apart the server packets from the client packets

MistoxServer/mPacket/PacketAttribute.cs

@@ -5,9 +5,20 @@ namespace Mistox.Attributes {
     [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct, Inherited = false, AllowMultiple = false)]
     public sealed class mPacket : Attribute {
         public byte ID { get; }
+        public PacketUsage PacketUse { get; }
         public mPacket(byte id) {
             ID = id;
+            PacketUse = PacketUsage.ClientToClient | PacketUsage.ClientToServer;
+        }
+        public mPacket(byte id, PacketUsage packetUse) {
+            ID = id;
+            PacketUse = packetUse;
         }
     }
 
+    public enum PacketUsage {
+        ClientToClient = 0x01,
+        ClientToServer = 0x10,
+    }
+
 }