old_contents: const Home = ({ children }) => {
    return React.createElement(
      'section',
      null,
      children
    );
  };
  
new_contents: const Home = (props) => {
    return React.createElement(
      'section',
      null,
      [
        React.createElement(Search, { onSearchUpdate: props.onSearchUpdate }),
        React.createElement(
          UserListContainer,
          {
            query: props.query,
            onUserListUpdate: props.onUserListUpdate,
            onCurrentUserUpdate: props.onCurrentUserUpdate
          }
        )
      ]
    );
  };
  
subject: add child components to home