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/Tuning/DbTuning.cs

@@ -0,0 +1,17 @@
+using FSO.Common.Model;
+
+namespace FSO.Server.Database.DA.Tuning
+{
+    public class DbTuning : DynTuningEntry
+    {
+        public DbTuningType owner_type { get; set; }
+        public int owner_id { get; set; }
+    }
+
+    public enum DbTuningType
+    {
+        STATIC = 1,
+        DYNAMIC = 2,
+        EVENT = 3
+    }
+}