final List<Map<String, String>> pembukaan = [
  {"title": "1.1 Pengenalan", "route": "/pengenalan-hiragana"},
  {"title": "1.2 Metode Belajar", "route": "/metode-belajar"},
  {"title": "1.3 Tahap Awal", "route": "/tahap-awal"},
];

final List<Map<String, String>> hurufHiragana = [
  {"title": "2.1 a i u e o", "route": "/aiueo"},
  {"title": "2.2 ka ki ku ke ko", "route": "/kakikukeko"},
  {"title": "2.3 sa shi su se so", "route": "/sashisuseso"},
  {"title": "2.4 ta chi tsu te to", "route": "/tachitsuteto"},
  {"title": "2.5 na ni nu ne no", "route": "/naninuneno"},
  {"title": "2.6 ha hi fu he ho", "route": "/hahifuheho"},
  {"title": "2.7 ma mi mu me mo", "route": "/mamimumemo"},
  {"title": "2.8 ya yu yo", "route": "/yayuyo"},
  {"title": "2.9 ra ri ru re ro", "route": "/rarirurero"},
  {"title": "2.10 wa wo n", "route": "/wawon"},
];

final List<Map<String, String>> penutup = [
  {"title": "3.1 Test", "route": "/test-hiragana"},
];