Request to add this interface(create new entity by cloning): auto cloned = registry.clone(entity)

/**
 * @brief Create new engity by cloning another entity.
 * @param target The entity to be cloned.
 * @return Cloned entity.
 */
[[nodiscard]] entity_type clone(const entity_type target){
    if(!contains(target)) return entt::null;
    if(!valid(target)) return target;
    
    auto cloned = create();
    for(auto &&curr : storage()) {  
      if(auto &storage = curr.second; storage.contains(target)) {  
        storage.push(cloned, storage.value(target));  
      }  
    }
    
    return cloned;
}