message: Update the URLs in the React Example to the new format
diff: @@ -70,17 +70,28 @@ The most minimal way to set up GraphiQL is a single index.html file:
  <body style="margin: 0;">
  <div id="graphiql" style="height: 100vh;"></div>
  - <script crossorigin src="https://unpkg.com/react/umd/react.min.js"></script>
  - <script crossorigin src="https://unpkg.com/react-dom/umd/react-dom.min.js"></script>
  - <script crossorigin src="https://unpkg.com/graphiql/graphiql.min.js" ></script>
  + <script
  + crossorigin
  + src="https://unpkg.com/react/umd/react.production.min.js"
  + ></script>
  + <script
  + crossorigin
  + src="https://unpkg.com/react-dom/umd/react-dom.production.min.js"
  + ></script>
  + <script
  + crossorigin
  + src="https://unpkg.com/graphiql/graphiql.min.js"
  + ></script>
  <script>
  - const graphQLFetcher = (graphQLParams) => fetch(
  - 'https://my/graphql', {
  + const graphQLFetcher = graphQLParams =>
  + fetch('https://my/graphql', {
  method: 'post',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify(graphQLParams),
  - }).then((response) => response.json()).catch(() => response.text())
  + })
  + .then(response => response.json())
  + .catch(() => response.text());
  ReactDOM.render(
  React.createElement(GraphiQL, { fetcher: graphQLFetcher }),
  document.getElementById('graphiql'),
  