Some new code for the new layout.

resources/js/components/Example.js

@@ -0,0 +1,26 @@
+import React, { Component } from 'react';
+import ReactDOM from 'react-dom';
+
+export default class Example extends Component {
+    render() {
+        return (
+            <div className="container">
+                <div className="row justify-content-center">
+                    <div className="col-md-8">
+                        <div className="card">
+                            <div className="card-header">Example Component</div>
+
+                            <div className="card-body">
+                                I'm an example component!
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        );
+    }
+}
+
+if (document.getElementById('example')) {
+    ReactDOM.render(<Example />, document.getElementById('example'));
+}