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.Domain/IGluonHostPool.cs

@@ -0,0 +1,30 @@
+using FSO.Server.Database.DA.Hosts;
+using FSO.Server.Framework.Gluon;
+using FSO.Server.Protocol.Gluon.Packets;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace FSO.Server.Domain
+{
+    public interface IGluonHostPool
+    {
+        string PoolHash { get; }
+
+        IGluonHost Get(string callSign);
+        IGluonHost GetByShardId(int shard_id);
+        IEnumerable<IGluonHost> GetByRole(DbHostRole role);
+        IEnumerable<IGluonHost> GetAll();
+
+        void Start();
+        void Stop();
+    }
+
+    public interface IGluonHost : IGluonSession
+    {
+        DbHostRole Role { get; }
+        bool Connected { get; }
+        DateTime BootTime { get; }
+        Task<IGluonCall> Call<IN>(IN input) where IN : IGluonCall;
+    }
+}