update: regenerate flutter porject

.gitignore

.idea/.gitignore

.idea/libraries/Dart_Packages.xml

.idea/libraries/Dart_SDK.xml

.idea/modules.xml

.idea/repo2900.iml

.idea/vcs.xml

app/README.md

app/analysis_options.yaml

...d/app/src/main/kotlin/com/example/ice_map/MainActivity.kt

app/assets/images/2.0x/flutter_logo.png

app/assets/images/3.0x/flutter_logo.png

app/assets/images/flutter_logo.png

app/l10n.yaml

app/lib/main.dart

app/lib/src/app.dart

app/lib/src/localization/app_en.arb

app/lib/src/sample_feature/sample_item.dart

app/lib/src/sample_feature/sample_item_details_view.dart

app/lib/src/sample_feature/sample_item_list_view.dart