text: import React from 'react';
  import OverviewSystem from './OverviewSystem'
  
  const OverviewList = ({overview}) => {
    return (
      <div className="overview-list">
        {Object.keys(overview.systems).map(systemName =>
          <OverviewSystem key={systemName}
                          system={overview.systems[systemName]}/>
        )}
      </div>
    );
  };
  
  export default OverviewList;
  