Enable PGN save (slow for now so do not use it).

src/base_tab/gamebase/GameBase.hpp

@@ -1,10 +1,16 @@
 #pragma once
 #include "game_tab/Game.hpp"
+#include <algorithm>
+#include <vector>
 
 class GameBase {
 
 public:
   virtual Game *GetGame(std::uint32_t id) = 0;
+  virtual void Save(std::vector<std::uint32_t> to_ignore,
+                    std::vector<GameBase *> new_games_bases,
+                    std::vector<Game *> new_games) = 0;
+  virtual Game *GetCurrentGame() = 0;
   virtual bool NextGame() = 0;
   virtual std::string GetTag(std::string tag) = 0;
   virtual void Reset() = 0;