chore: add project files and setup gitignore

reserva-mesa-dashboard/app/(auth)/layout.tsx

@@ -0,0 +1,11 @@
+export default function AuthLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return (
+    <div className="flex min-h-screen items-center justify-center bg-background">
+      <div className="w-full max-w-md p-4">{children}</div>
+    </div>
+  );
+}