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/Bans/IBans.cs

@@ -0,0 +1,11 @@
+namespace FSO.Server.Database.DA.Bans
+{
+    public interface IBans
+    {
+        DbBan GetByIP(string ip);
+        void Add(string ip, uint userid, string reason, int enddate, string client_id);
+
+        DbBan GetByClientId(string client_id);
+        void Remove(uint user_id);
+    }
+}