Adds missing references for EvolutionScript

src/Battling/EvolutionScript.hpp

@@ -1,7 +1,11 @@
 #ifndef PKMNLIB_EVOLUTIONSCRIPT_HPP
 #define PKMNLIB_EVOLUTIONSCRIPT_HPP
 
+#include "../Library/Evolutions/EvolutionData.hpp"
+
 namespace PkmnLib::Battling {
+    class Pokemon;
+
     class EvolutionScript {
     public:
         virtual void DoesEvolveFromLevelUp(const ArbUt::BorrowedPtr<const PkmnLib::Library::EvolutionData>& evolution,