Group source include

Source parts:

GAME_ERROR CMyInstance::CheatReset()
{
  return GAME_ERROR_NOT_IMPLEMENTED;
}
 
GAME_ERROR CMyInstance::GetMemory(GAME_MEMORY type, uint8_t*& data, size_t& size)
{
  return GAME_ERROR_NOT_IMPLEMENTED;
}
 
GAME_ERROR CMyInstance::SetCheat(unsigned int index, bool enabled, const std::string& code)
{
  return GAME_ERROR_NOT_IMPLEMENTED;
}