Removed NioTSO client and server

- NioTSO client isn't needed because we're using RayLib
- Added FreeSO's API server to handle most backend operations

server/FSO.Server.Protocol/Voltron/AbstractVoltronPacket.cs

@@ -0,0 +1,33 @@
+using FSO.Common.Serialization;
+using FSO.Server.Protocol.Voltron.Model;
+using Mina.Core.Buffer;
+
+namespace FSO.Server.Protocol.Voltron
+{
+    public abstract class AbstractVoltronPacket : IVoltronPacket
+    {
+        public static Sender GetSender(IoBuffer buffer)
+        {
+            var ariesID = buffer.GetPascalString();
+            var masterID = buffer.GetPascalString();
+            return new Sender { AriesID = ariesID, MasterAccountID = masterID };
+        }
+
+        public static void PutSender(IoBuffer buffer, Sender sender)
+        {
+            buffer.PutPascalString(sender.AriesID);
+            buffer.PutPascalString(sender.MasterAccountID);
+        }
+
+        public static IoBuffer Allocate(int size)
+        {
+            IoBuffer buffer = IoBuffer.Allocate(size);
+            buffer.Order = ByteOrder.BigEndian;
+            return buffer;
+        }
+
+        public abstract VoltronPacketType GetPacketType();
+        public abstract void Serialize(IoBuffer output, ISerializationContext context);
+        public abstract void Deserialize(IoBuffer input, ISerializationContext context);
+    }
+}