Merge branch '74-use-flutter_toolbox-lib' into 'master'

lib/config/menu.dart

lib/config/theme.dart

lib/cubit/api_cubit.dart

lib/cubit/bottom_nav_cubit.dart

lib/cubit/data_cubit.dart

lib/cubit/game_cubit.dart

lib/cubit/settings_cubit.dart

lib/cubit/theme_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