initial styling

scm-ui/src/components/PrimaryNavigation.js

@@ -0,0 +1,17 @@
+//@flow
+import React from "react";
+import PrimaryNavigationLink from "./PrimaryNavigationLink";
+
+class PrimaryNavigation extends React.Component<Props> {
+  render() {
+    return (
+      <nav className="tabs is-boxed">
+        <ul>
+          <PrimaryNavigationLink to="/users">Users</PrimaryNavigationLink>
+        </ul>
+      </nav>
+    );
+  }
+}
+
+export default PrimaryNavigation;