Create minimal playable game

fastlane/metadata/android/en-US/changelogs/19.txt

fastlane/metadata/android/fr-FR/changelogs/19.txt

lib/config/default_game_settings.dart

lib/config/default_global_settings.dart

lib/cubit/game_cubit.dart

lib/cubit/settings_game_cubit.dart

lib/models/game/board.dart

lib/models/game/cell.dart

lib/models/game/cell_location.dart

lib/models/game/game.dart

lib/models/game/snake.dart

lib/models/settings/settings_game.dart

lib/models/settings/settings_global.dart

lib/ui/game/game_bottom.dart

lib/ui/game/game_top.dart

lib/ui/parameters/parameter_painter.dart

lib/ui/parameters/parameter_widget.dart

lib/ui/widgets/game/cell.dart

lib/ui/widgets/game/controller_bar.dart

lib/ui/widgets/game/game_board.dart