Cleanup and file reorganization

js/components/PageHelp.js

@@ -0,0 +1,10 @@
+import React from 'react';
+import HeroHeadline from './HeroHeadline';
+
+export default function PageHelp() {
+  return (
+    <div>
+      <HeroHeadline>How to use AOE Technology Radar</HeroHeadline>
+    </div>
+  );
+}