Enable file upload form

Enable error boundary to catch React errors (#7)
Fix warning for link noreferrer
Include authorization header with file upload

src/components/ErrorBoundary.jsx

@@ -1,5 +1,6 @@
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
+import { Typography } from '@material-ui/core';
 
 export default class ErrorBoundary extends Component {
   state = {
@@ -14,7 +15,7 @@ export default class ErrorBoundary extends Component {
     this.setState({ errorInfo });
   }
   render() {
-  if (this.state.hasError) return (<h1>Oops. An Error Occured</h1>);
+  if (this.state.hasError) return (<Typography variant="h3" align="center" >Oops. An React JS Error Occured.</Typography>);
   return this.props.children;
   }
 }