Add TopMenu component and page specific content

src/components/MenuButton.js

@@ -0,0 +1,23 @@
+import React, { Component } from 'react';
+
+class MenuButton extends Component {
+    render(label, icon, childOrderReverse) {
+        if (this.props.childOrderReverse) {
+            return (
+                <button>
+                    <span>{this.props.label}</span>
+                    <img src={this.props.icon}/>
+                </button>
+            );
+        } else {
+            return (
+                <button>
+                    <img src={this.props.icon}/>
+                    <span>{this.props.label}</span>
+                </button>
+            );
+        }
+    }
+}
+
+export default MenuButton;