add static pages

imports/ui/components/PageHeader/PageHeader.js

@@ -0,0 +1,24 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import './PageHeader.scss';
+
+const PageHeader = ({ title, subtitle }) => (
+  <div className="PageHeader">
+    <div className="PageHeader-container">
+      <h1>{title}</h1>
+      {subtitle ? <p>{subtitle}</p> : ''}
+    </div>
+  </div>
+);
+
+PageHeader.defaultProps = {
+  subtitle: '',
+};
+
+PageHeader.propTypes = {
+  title: PropTypes.string.isRequired,
+  subtitle: PropTypes.string,
+};
+
+export default PageHeader;