Restore "delete/resume" saved game

android/gradle.properties

assets/icons/button_delete_saved_game.png

assets/icons/button_resume_game.png

fastlane/metadata/android/en-US/changelogs/69.txt

fastlane/metadata/android/fr-FR/changelogs/69.txt

icons/build_game_icons.sh

icons/button_delete_saved_game.svg

icons/button_resume_game.svg

lib/cubit/game_cubit.dart

lib/models/game.dart

lib/ui/screens/screen_parameters.dart

lib/ui/skeleton.dart

lib/ui/widgets/button_delete_saved_game.dart

lib/ui/widgets/button_resume_saved_game.dart

pubspec.yaml