feat(worker): auth gate, Dutch login screen, router and 3-tab shell

apps/worker/src/components/TabBar.tsx

@@ -0,0 +1,24 @@
+import { NavLink } from 'react-router-dom';
+
+const tabs = [
+  { to: '/', label: 'Stopwatch' },
+  { to: '/history', label: 'Geschiedenis' },
+  { to: '/settings', label: 'Instellingen' },
+] as const;
+
+export default function TabBar() {
+  return (
+    <nav className="tabbar">
+      {tabs.map((tab) => (
+        <NavLink
+          key={tab.to}
+          to={tab.to}
+          end={tab.to === '/'}
+          className={({ isActive }) => (isActive ? 'tab tab-active' : 'tab')}
+        >
+          {tab.label}
+        </NavLink>
+      ))}
+    </nav>
+  );
+}