add initial react app

common/app/shared/displayCode/Display.jsx

@@ -0,0 +1,51 @@
+var React = require('react'),
+    Tailspin = require('tailspin');
+
+var Editor = React.createClass({
+
+  propTypes: {
+    value: React.PropTypes.string
+  },
+
+  getDefaultProps: function() {
+    return {
+      value: [
+        '/**',
+        '* Your output will go here.',
+        '* Console.log() -type statements',
+        '* will appear in your browser\'s',
+        '* DevTools JavaScript console.',
+        '**/'
+      ].join('\n')
+    };
+  },
+
+  render: function() {
+    var value = this.props.value;
+    var options = {
+      lineNumbers: false,
+      lineWrapping: true,
+      mode: 'text',
+      readOnly: 'noCursor',
+      textAreaClassName: 'hide-textarea',
+      theme: 'monokai',
+      value: value
+    };
+
+    var config = {
+      setSize: ['100%', '100%']
+    };
+
+    return (
+      <form className='code'>
+        <div className='form-group codeMirrorView'>
+          <Tailspin
+            { ...options }
+            config={ config }/>
+        </div>
+      </form>
+    );
+  }
+});
+
+module.exports = Editor;