updates root components structure

scm-ui/src/components/navigation/NavAction.js

@@ -0,0 +1,20 @@
+//@flow
+import React from "react";
+
+type Props = {
+  label: string,
+  action: () => void
+};
+
+class NavAction extends React.Component<Props> {
+  render() {
+    const { label, action } = this.props;
+    return (
+      <li>
+        <a onClick={action}>{label}</a>
+      </li>
+    );
+  }
+}
+
+export default NavAction;