Add: backend dir and moved frontend to frontend dir

frontend/src/components/Auth/IfRole.jsx

@@ -0,0 +1,13 @@
+import { useAuth } from "@/hooks/useAuth.js";
+
+const IfRole = ({ roles, children }) => {
+  const { user, authStatus } = useAuth();
+
+  if (authStatus !== "authenticated") return null;
+
+  const userRole = user?.role;
+  
+  return roles.includes(userRole) ? children : null;
+};
+
+export default IfRole;