Adds OnEndTurn script hook.

Signed-off-by: Deukhoofd <Deukhoofd@gmail.com>

src/Battling/ScriptHandling/BattleScript.hpp

@@ -85,6 +85,8 @@ namespace CreatureLib::Battling {
         virtual void PreventRunAway([[maybe_unused]] const FleeTurnChoice* choice, [[maybe_unused]] bool* result){};
         virtual void PreventOpponentRunAway([[maybe_unused]] const FleeTurnChoice* choice,
                                             [[maybe_unused]] bool* result){};
+
+        virtual void OnEndTurn(){};
     };
 }