Detect/manage end game

android/gradle.properties

assets/ui/game_draw.png

assets/ui/game_fail.png

fastlane/metadata/android/en-US/changelogs/3.txt

fastlane/metadata/android/fr-FR/changelogs/3.txt

lib/cubit/game_cubit.dart

lib/models/game/game.dart

lib/ui/widgets/game/game_board.dart

lib/ui/widgets/game/game_end.dart

pubspec.yaml

resources/ui/images/game_draw.svg

resources/ui/images/game_fail.svg