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/EmailConfirmations/IEmailConfirmations.cs

@@ -0,0 +1,10 @@
+namespace FSO.Server.Database.DA.EmailConfirmation
+{
+    public interface IEmailConfirmations
+    {
+        string Create(EmailConfirmation confirm);
+        EmailConfirmation GetByEmail(string email, ConfirmationType type);
+        EmailConfirmation GetByToken(string token);
+        void Remove(string token);
+    }
+}