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/Hosts/DbHost.cs

@@ -0,0 +1,28 @@
+using System;
+
+namespace FSO.Server.Database.DA.Hosts
+{
+    public class DbHost
+    {
+        public string call_sign { get; set; }
+        public DbHostRole role { get; set; }
+        public DbHostStatus status { get; set; }
+        public string internal_host { get; set; }
+        public string public_host { get; set; }
+        public DateTime time_boot { get; set; }
+        public int? shard_id { get; set; }
+    }
+
+    public enum DbHostRole
+    {
+        city,
+        lot,
+        task
+    }
+
+    public enum DbHostStatus
+    {
+        up,
+        down
+    }
+}