Allow getting Static Library from BattleLibrary.

src/Battling/Library/BattleLibrary.hpp

@@ -10,6 +10,7 @@
 
 namespace CreatureLib::Battling {
     class BattleLibrary {
+    protected:
         const Library::DataLibrary* _staticLib = nullptr;
         BattleStatCalculator* _statCalculator = nullptr;
         DamageLibrary* _damageLibrary = nullptr;
@@ -22,6 +23,7 @@ namespace CreatureLib::Battling {
                       DamageLibrary* damageLibrary, ExperienceLibrary* experienceLibrary,
                       ScriptResolver* scriptResolver, MiscLibrary* miscLibrary);
         ~BattleLibrary();
+        inline const Library::DataLibrary* GetStaticLib() const { return _staticLib; }
 
         [[nodiscard]] const Library::LibrarySettings& GetSettings() const;
         [[nodiscard]] const Library::SpeciesLibrary* GetSpeciesLibrary() const;