text: import React from 'react';
  import ReactDOM from 'react-dom';
  import Cryptotip from './Cryptotip';
  import registerServiceWorker from './registerServiceWorker';
  
  let container = document.getElementById('cryptotip');
  ReactDOM.render(<Cryptotip
      bitcoinAddress={container.dataset.bitcoinAddress}
      bitcoinLabel={container.dataset.bitcoinLabel}
      modalTitle={container.dataset.modalTitle}
  />, container);
  registerServiceWorker();
  