initial step 4 for online test

web/src/components/Contact.js

@@ -0,0 +1,48 @@
+import React, { Component } from 'react';
+import {Button, TextField} from 'react-md';
+import '../css/Intent.css'
+import {EMAIL_MAX_LENGTH} from '../config';
+
+class Contact extends Component {
+  constructor(props){
+    super(props);
+
+    this.state = {contactEmail: props.contactEmail};
+
+    this.handleEmailEdit = this.handleEmailEdit.bind(this);
+  }
+
+  componentWillReceiveProps(props){
+    this.setState({contactEmail: props.contactEmail});
+  }
+
+  render() {
+    return (
+      <div className="LaunchRequestBox">
+        <h5 style={{textAlign:'left', marginTop: '30px', marginLeft: '20px'}}> Contact address will be used for direct messaging through Alexa </h5>
+        <TextField
+          id="contact email"
+          lineDirection="center"
+          label="Contact email"
+          className="md-cell md-cell--bottom"
+          style={{width:'60%', marginLeft: '20px'}}
+          maxLength={EMAIL_MAX_LENGTH}
+          onChange={this.handleEmailEdit}
+          value={this.state.contactEmail}/>
+        <br></br>
+        <br></br>
+        <br></br>
+        <Button style={{float:'right', marginRight: '20px'}} flat primary swapTheming 
+                onClick={()=>{this.props.onSaveEmailClick(this.state.contactEmail)}}
+                disabled={this.props.waiting}>Save</Button>
+      </div>
+    );
+  }
+
+  handleEmailEdit(e){
+    if (e.length === EMAIL_MAX_LENGTH) return;
+    this.setState({contactEmail: e});
+  }
+}
+
+export default Contact;