Use flutter custom toolbox lib

lib/config/menu.dart

lib/config/theme.dart

lib/cubit/api_cubit.dart

lib/main.dart

lib/models/game/game.dart

lib/models/game/game_board.dart

lib/models/interface_type.dart

lib/network/api.dart

lib/repository/api.dart

lib/ui/helpers/app_titles.dart

lib/ui/helpers/styled_button.dart

lib/ui/helpers/styled_container.dart

lib/ui/painters/cell_painter.dart

lib/ui/screens/about_page.dart

lib/ui/screens/api_page.dart

lib/ui/screens/demo_page.dart

lib/ui/screens/graph_page.dart

lib/ui/screens/settings_page.dart

lib/ui/widgets/api_data.dart

lib/ui/widgets/app_bar.dart