feat(web): add teams page and RBAC navigation/route gating (MS21-UI-005, RBAC-001, RBAC-002) (#595)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

apps/web/src/components/settings/SettingsAccessDenied.tsx

@@ -0,0 +1,16 @@
+import type { ReactElement } from "react";
+
+interface SettingsAccessDeniedProps {
+  message: string;
+}
+
+export function SettingsAccessDenied({ message }: SettingsAccessDeniedProps): ReactElement {
+  return (
+    <div className="p-8 max-w-2xl">
+      <div className="rounded-lg border border-red-200 bg-red-50 p-6 text-center">
+        <p className="text-lg font-semibold text-red-700">Access Denied</p>
+        <p className="mt-2 text-sm text-red-600">{message}</p>
+      </div>
+    </div>
+  );
+}