Merge Core library into Library, as with its utility functionality merged into Arbutils, it's becoming less and less useful.

src/Library/Statistic.hpp

@@ -0,0 +1,11 @@
+#ifndef CREATURELIB_STATISTIC_HPP
+#define CREATURELIB_STATISTIC_HPP
+
+#include <Arbutils/Enum.hpp>
+#include <cstdint>
+
+namespace CreatureLib::Library {
+    ENUM(Statistic, uint8_t, Health, PhysicalAttack, PhysicalDefense, MagicalAttack, MagicalDefense, Speed)
+}
+
+#endif // CREATURELIB_STATISTIC_HPP