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.Database/DA/Shards/IShards.cs

@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+
+namespace FSO.Server.Database.DA.Shards
+{
+    public interface IShards
+    {
+        List<Shard> All();
+
+        void CreateTicket(ShardTicket ticket);
+        void DeleteTicket(string ticket_id);
+        ShardTicket GetTicket(string ticket_id);
+        void PurgeTickets(uint time);
+        void UpdateVersion(int shard_id, string name, string number, int? update_id);
+    }
+}