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/Outfits/IOutfits.cs

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+
+namespace FSO.Server.Database.DA.Outfits
+{
+    public interface IOutfits
+    {
+        uint Create(DbOutfit outfit);
+        List<DbOutfit> GetByObjectId(uint object_id);
+        List<DbOutfit> GetByAvatarId(uint avatar_id);
+
+        bool UpdatePrice(uint outfit_id, uint object_id, int new_price);
+        bool ChangeOwner(uint outfit_id, uint object_owner, uint new_avatar_owner);
+        bool DeleteFromObject(uint outfit_id, uint object_id);
+        bool DeleteFromAvatar(uint outfit_id, uint avatar_id);
+    }
+}