Initial Baron Safe app scaffold

.gitignore

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+# Flutter/Dart
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+build/
+coverage/
+
+# Android/iOS generated/local files
+app/android/.gradle/
+app/android/local.properties
+app/ios/Pods/
+app/ios/.symlinks/
+app/ios/Flutter/ephemeral/
+app/ios/Flutter/Generated.xcconfig
+app/ios/Flutter/flutter_export_environment.sh
+
+# IDE
+.idea/
+*.iml
+.vscode/*.log
+
+# Env/secrets
+.env
+.env.*
+*.keystore
+*.jks
+*.p8
+*.mobileprovision
+*.cer
+*.pem
+
+# OS
+.DS_Store
+Thumbs.db