Merge branch '21-normalize-game-architecture' into 'master'

lib/cubit/settings_game_state.dart

lib/cubit/settings_global_cubit.dart

lib/cubit/settings_global_state.dart

lib/main.dart

lib/models/game/board.dart

lib/models/game/cell.dart

lib/models/game/cell_location.dart

lib/models/game/game.dart

lib/models/settings/settings_game.dart

lib/models/settings/settings_global.dart

lib/models/types.dart

lib/ui/game/game_end.dart

lib/ui/game/game_top.dart

lib/ui/helpers/app_titles.dart

lib/ui/helpers/outlined_text_widget.dart

lib/ui/layouts/game_layout.dart

lib/ui/layouts/parameters_layout.dart

lib/ui/parameters/parameter_image.dart

lib/ui/parameters/parameter_painter.dart

lib/ui/screens/page_about.dart