chore: add project files and setup gitignore

reserva-mesa-dashboard/components/auth/AuthGuard.tsx

@@ -0,0 +1,35 @@
+"use client";
+
+import React, { useEffect } from "react";
+import { useRouter, usePathname } from "next/navigation";
+import { useAuth } from "@/hooks/useAuth";
+
+export default function AuthGuard({ children }: { children: React.ReactNode }) {
+  const { user, loading } = useAuth();
+  const router = useRouter();
+  const pathname = usePathname();
+
+  useEffect(() => {
+    if (!loading) {
+      if (!user && !pathname.startsWith("/login") && !pathname.startsWith("/register")) {
+        router.push("/login");
+      }
+    }
+  }, [user, loading, router, pathname]);
+
+  if (loading) {
+    return (
+      <div className="flex items-center justify-center min-h-screen bg-background">
+        <div className="text-primary font-display text-2xl animate-pulse">A carregar...</div>
+      </div>
+    );
+  }
+
+  // Se não estiver logado e não estiver numa rota pública, não renderiza nada 
+  // (o useEffect vai redirecionar)
+  if (!user && !pathname.startsWith("/login") && !pathname.startsWith("/register")) {
+    return null;
+  }
+
+  return <>{children}</>;
+}