Adds precompiled header.

src/Library/Natures/NatureLibrary.hpp

@@ -1,14 +1,8 @@
 #ifndef PKMNLIB_NATURELIBRARY_HPP
 #define PKMNLIB_NATURELIBRARY_HPP
 
-#include <Arbutils/Collections/Dictionary.hpp>
-#include <Arbutils/Collections/List.hpp>
-#include <Arbutils/Memory/BorrowedPtr.hpp>
 #include <Arbutils/Random.hpp>
-#include <Arbutils/StringView.hpp>
 #include <CreatureLib/Library/Exceptions/CreatureException.hpp>
-#include <unordered_map>
-#include <vector>
 #include "Nature.hpp"
 
 namespace PkmnLib::Library {